| Surname | Siblings | Country | Notes |
| Alboreto | Michele, Ermanno | | |
| Allemann | Cyndie, Ken | | |
| Allison | Bobby, Donnie | | Bobby and Donnie's grandchildren have raced Late Models, with Donnie's grandson having won an ARCA Racing Series event. |
| Allison | Davey, Cliff | | Bobby and Donnie's grandchildren have raced Late Models, with Donnie's grandson having won an ARCA Racing Series event. |
| Alzen | Jürgen, Uwe | | |
| Andretti | Mario, Aldo | | The first generation of the racing family, identical twins Mario and Aldo, were born in a part of Italy that now lies in Croatia, and became naturalized US citizens. All of their listed descendants are US-born. |
| Andretti | Michael, Jeff | | The first generation of the racing family, identical twins Mario and Aldo, were born in a part of Italy that now lies in Croatia, and became naturalized US citizens. All of their listed descendants are US-born. |
| Andretti | John, Adam | | The first generation of the racing family, identical twins Mario and Aldo, were born in a part of Italy that now lies in Croatia, and became naturalized US citizens. All of their listed descendants are US-born. |
| Aron | Ralf, Paul | | |
| Atkinson | Chris, Ben | | |
| Barba | Alvaro, Marco | | |
| Behra | José, Jean | | |
| Bellof | Georg, Stefan | | |
| Bergenholtz | Ed, Ron | | |
| Bergmeister | Jörg, Tim | | |
| Bianchi | Lucien, Mauro | | |
| Birrell | Graham, Gerry, Ian | | |
| Bleekemolen | Jeroen, Sebastiaan | | |
| Bodine | Geoff, Brett, Todd | | |
| Boillot | Georges, André | | |
| Boss | Geoff, Andy, Peter | | |
| Brabham | Geoff, Gary, David | | |
| Brambilla | Ernesto, Vittorio | | |
| Brundle | Martin, Robin | | |
| Burton | Ward, Jeff | | |
| Busch | Kurt, Kyle | | |
| Campos | Marco, Júlio | | |
| Campos-Hull | Oliver, Daniel | | |
| Cecotto | Johnny, Jonathan | | |
| Ceirano | Giovanni, Matteo | | |
| Cheever | Eddie, Ross | | |
| Chevrolet | Louis, Gaston, Arthur | | |
| Chilton | Max, Tom | | |
| Clark | Roger, Stan | | |
| Clark | Oliver, Matthew | | |
| Colliers | Sam, Miles | | |
| Cope | Angela, Amber | | Twin sisters |
| Coronel | Tim, Tom | | Twin brothers |
| Costin | Frank, Mike | | |
| Cunningham | Wade, Mitch | | |
| Dalziel | John, Ryan | | |
| Davison | Alex, Will | | |
| Depailler | Patrick, Loic | | |
| DePalma | John, Ralph | | |
| Dillon | Austin, Ty | | |
| Dunfee | Clive, Jack | | |
| Earnhardt | Kelley, Dale Jr. | | |
| Earnhardt | Bobby, Jeffrey | | |
| Van der Ende | Jacky, Ricardo | | |
| Enders | Erica, Courtney | | |
| Endicott | Bill, Harry | | |
| Ericsson | Marcus, Hampus | | |
| Eriksson | Jimmy, Joel | | |
| Estner | Andreas, Sebastian | | |
| Evans | Simon, Mitch | | |
| Fabi | Teo, Corrado | | |
| Fagioli | Luigi, Giuseppe | | |
| Famularo | Alessandro, Anthony | | Twin brothers |
| Farman | Maurice, Henri | | |
| Ferté | Alain, Michel | | |
| Fike | A. J., Aaron | | |
| Firman | Ralph Jr., Natasha |
| Ralph is an Irish citizen. |
| Fittipaldi | Wilson, Emerson | | |
| Fittipaldi | Pietro, Enzo | | |
| Flock | Bob, Ethel, Fonty, Tim | | |
| Force | Ashley, Courtney, Brittany | | |
| Franchitti | Dario, Marino | | |
| Gené | Jordi, Marc | | |
| Ghirelli | Vittorio, Edolo | | |
| Goeters | Jorge, Eduardo, Patrick | | |
| Gordon | Robby, Beccy, Robyn | | |
| Granatelli | Andy, Vince, Joe | | |
| Groff | Mike, Robbie | | |
| Guerrero | Jaime, Roberto | | |
| Heidfeld | Nick, Sven | | |
| Houston | Marty, Andy | | |
| Huisman | Duncan, Patrick | | |
| Hunt | James, David | | |
| Ickx | Jacky, Pascal | | |
| Isaakyan | Matevos, Nerses | | Twin brothers |
| Jarrett | Glenn, Dale | | |
| Jourdain | Michel Sr., Bernard | | |
| Jousse | Julien, Maxime | | |
| Kageyama | Masami, Masahiko | | |
| Kelly | Todd, Rick | | |
| Keselowski | Brad, Brian | | |
| Kremer | Erwin, Manfred | | |
| Kristensen | Tom, Jakob | | |
| Kumpen | Sophie, Anthony | | |
| Kurosawa | Takuya,, | | |
| Labonte | Terry, Bobby | | One of two sets of brothers in NASCAR Cup Series history to win at least one championship. |
| Lammers | Jan, Jaap | | |
| Landi | Chico, Quirino | | |
| Larini | Andrea, Nicola | | |
| Lazier | Buddy, Jaques | | |
| Lechner | Robert, Walter Jr. | | |
| Leclerc | Charles, Arthur | | |
| Lorandi | Alessio, Leonardo | | |
| Lundgaard | Daniel, Christian | | |
| Macrow | Adam, Tim | | |
| Maini | Arjun, Kush | | |
| Mancinelli | Daniel, Christian | | |
| Mansell | Greg, Leo | | |
| MacDonald | Randy, Teri | | |
| Marlin | Clifton, Jack | | |
| Martini | Oliver, Pierluigi | | |
| Marzotto | Paolo, Giannino, Vittorio, Umberto | | |
| Mason | Jesse, Nelson | | |
| Mayer | Tim, Teddy | | |
| McNamara | Graham, Darren | | |
| McRae | Colin, Alister | | |
| Mears | Rick, Roger | | |
| Mikola/Suprapto | Ananda Mikola, Moreno Suprapto | | |
| Millen | Steve, Rod | | |
| Miller | Bruce, Al | | |
| Moore | Nigel, Sarah, David | | |
| Moss | Stirling, Pat | | |
| Move/Zlobin | Daniil Move, Sergey Zlobin | | |
| Muller | Yvan, Cathy | | |
| Nakajima | Kazuki, Daisuke | | |
| Nemechek | Joe, John | | |
| Palmer | Jolyon, Will | | |
| Pardo | Carlos, Ruben | | |
| Parsons | Benny, Phil | | |
| Pastorelli | Nicky, Francesco | | |
| Pedregon | Cruz, Tony | | |
| Petiz | Pedro, Tiago | | Their father is Jorge Petiz |
| Petty | Richard, Maurice | | |
| Philippe | Nelson, Richard | | |
| Pic | Charles, Arthur | | |
| Plumb | Matt, Hugh | | |
| Räikkönen | Kimi, Rami | | |
| Rathmann | Dick, Jim | | |
| Renault | Louis, Marcel | | |
| Revson | Peter, Doug | | |
| Robson | George, Hal | | |
| Rodríguez | Pedro, Ricardo | | |
| Ruttman | Troy, Joe | | |
| Sadler | Hermie, Elliott | | |
| Sargeant | Dalton, Logan | | |
| Scheckter | Ian, Jody | | |
| Scheckter | Tomas, Toby | | sons of Jody |
| Schell | Philippe, Harry | | |
| Schothorst | Pieter, Steijn, Freek | | |
| Schumacher | Michael, Ralf | | |
| Singh | Joginder, Jaswant | | |
| Simmons | Jeff, Chris | | |
| Smith/Taylor-Smith | Gavin, Árón | | Árón now competes under his married name |
| Sneva | Jerry, Jan, Tom | | |
| Solberg | Henning, Petter | | |
| Sørensen | Marco, Lasse | | |
| Sperafico | Rafael, Ricardo, Rodrigo | | Ricardo and Rodrigo are twins |
| Stewart | Jimmy, Jackie | | |
| Suenaga | Masao, Naoto | | |
| Summers | Bob, Bill | | |
| Teague | Al, Harvey | | |
| Thackwell | Mike, Lisa | | |
| Theobald | Julian, Johannes | | |
| Toivonen | Henri, Harri | | |
| Truex | Martin Jr., Ryan | | |
| Trintignant | Maurice, Louis | | |
| Unser | Jerry, Louis, Joe | | |
| Unser | Louie, Jerry Jr., Bobby, Al | | |
| Unser | Bobby Jr., Robby, Jeri | | |
| Van Lennep | Gijs, David | | |
| Vanthoor | Laurens, Dries | | |
| Verstappen | Max, Victoria | | Max races under a Dutch license. |
| Vesco | Don, Rick | | |
| Villeneuve | Gilles, Jacques | | |
| Villoresi | Luigi, Emilio | | |
| De Villota | Emilio Jr., Maria | | |
| De Vizcaya | Pierre, Fernando | | |
| Wakisaka | , Juichi | | |
| Wallace | Rusty, Mike, Kenny | | |
| Wallace | Chrissy, Matt | | |
| Waltrip | Darrell, Bobby, Michael | | Darrell and Michael both drove, but all three were involved in motorsport media as track announcers or broadcasters. Bobby's son Lee Bob has also been involved in track announcing at karting events. |
| Warwick | Derek, Paul | | |
| Whittington | Bill, Don, Dale | | |
| Wilson | Justin, Stefan | | |
| Wimmer | Chris, Scott | | |
| Winkelhock | Manfred, Joachim, Thomas | | |
| Wood | Glen, Leonard | | Ever since these 2 brothers joined the sport back in 1950, Wood Brothers Racing is currently the oldest active team in NASCAR history. Prior to this, Petty Enterprises was the oldest team since the inaugural season in 1949, but the team folded after their 60th season back in 2008. |
| Surname | Parent | Children | Country | Notes: |
| Abt | Johann | Christian | | |
| Abt | Christian | Daniel | | |
| Alén | Markku | Anton | | |
| Alesi | Jean | Giuliano | | |
| Allison | Bobby | Davey | | |
| Allison | Bobby | Cliff | | |
| Allison | Davey | Robbie | | |
| Ambrose | Ross | Marcos | | |
| Anderson | Dennis | Adam | | |
| Andersson | Peggen | Per-Gunnar | | |
| Andretti | Mario | Michael | | |
| Andretti | Mario | Jeff | | |
| Andretti | Aldo | John | | |
| Andretti | Aldo | Adam | | |
| Andretti | Michael | Marco | | |
| Ascari | Antonio | Alberto | | |
| Asch | Roland | Sebastian | | |
| Arfons | Art | Tim | | |
| Arfons | Art | Dusty | | |
| Arfons | Walt | Craig | | |
| Badoer | Luca | Brando | | |
| Baker | Buck | Buddy | | |
| Bailey-Clarke | Julian | Jack Clarke | | |
| Barrichello | Rubens | Eduardo |  Brazil | |
| Barrichello | Rubens | Fernando | Brazil | |
| Barth | Edgar | Jürgen | | |
| Beadle | Raymond Beadle | Ryan | | Raymond was known as both an NHRA drag racer and a NASCAR team owner. Ryan, an attorney, is in management at JR Motorsports as the team's General Counsel with both business and legal operations with the team. |
| Bell | Derek | Justin | | |
| Beltoise | Jean-Pierre | Anthony | | |
| Bernstein | Kenny | Brandon | | |
| Bettega | Attilio | Alessandro | | |
| Bettenhausen | Tony | Gary | | |
| Bettenhausen | Tony | Tony Jr. | | |
| Bettenhausen | Tony | Merle | | |
| Blaney | Dave | Ryan | | |
| Bleekemolen | Michael | Jeroen | | |
| Bleekemolen | Michael | Sebastiaan | | |
| Blomqvist | Stig | Tom | , | |
| Boat | Billy | Chad | | |
| Bodine | Geoff | Barry | | |
| Bonnett | Neil | David | | |
| Bourdais | Patrick | Sébastien | | |
| Brabham | Jack | Geoff | | |
| Brabham | Jack | Gary | | |
| Brabham | Jack | David | | |
| Brabham | Geoff | Matthew | | |
| Brabham | David | Sam | | |
| Brayton | Lee | Scott | | |
| Brise | John | Tony | | |
| Brock | Peter | James | | stepson |
| Brundle | Martin | Alex | | |
| Bucknum | Ronnie | Jeff | | |
| Buford | James | Joe | | |
| Burton | Ward | Jeb | | |
| Button | John | Jenson | | |
| Buurman | Herman | Yelmer | | |
| Caldarelli | Vitaliano | Andrea | | |
| Campbell | Malcolm | Donald | | |
| Campos | Adrián | Adrián Jr. | | |
| Carter | Duane | Pancho | | |
| Cecotto | Johnny | Johnny Jr. | | |
| Ceirano | Giovanni | Ernesto | | |
| Charouz | Antonín | Jan | | |
| Clark | Roger | Matthew | | |
| Clark | Roger | Oliver | | |
| Coloni | Enzo | Paolo | | |
| Comas | Érik | Anthony | | |
| Coronel | Tom Sr. | Tim | | |
| Coronel | Tom Sr. | Tom | | |
| Coughlin | Jeg Sr. | Jeg Jr. | | |
| Dallenbach | Wally Sr. | Wally Jr. | | |
| Dallenbach | Wally Sr. | Paul | | |
| Daly | Derek | Conor | , | |
| Davison | Lex | Richard | | |
| Davison | Lex | Jon | | |
| Davison | Richard | James | | |
| Davison | Jon | Alex | | |
| Davison | Jon | Will | | |
| Davis | "Sammy" | Colin | | |
| Danielsson | Thomas | Alx | | |
| Délétraz | Jean-Denis | Louis | | |
| Donohue | Mark | David | | |
| Dyson | Rob | Chris | | |
| Earnhardt | Ralph | Dale | | |
| Earnhardt | Dale | Dale Jr. | | |
| Earnhardt | Dale | Kerry | | |
| Earnhardt | Kerry | Bobby | | |
| Earnhardt | Kerry | Jeffrey | | |
| Edwards | Guy | Sean | | |
| Elliott | Bill | Chase | | |
| Enjolras | Michel | Sébastien | | |
| Enjolras | Michel | Pascal | | |
| Evans | Gwyndaf | Elfyn | | |
| Evans | Tony | Tony Jr. | | |
| Evans | Evan | Walker | | |
| Fabi | Teo | Stefano | | |
| Fiorio | Cesare | Alessandro | | |
| Fittipaldi | Wilson | Christian | | |
| Flannery | Jack | Jamie | | |
| Flannery | Jack | Jed | | |
| Foitek | Karl | Gregor | | |
| Force | John | Ashley | | |
| Force | John | Courtney | | |
| Force | John | Brittany | | |
| Foster | Nick | Louis | | |
| Frame | Fred | Bob | | |
| Friderich | Ernest | Renée | | |
| Friderich | Ernest | Paul | | |
| Gelael | Ricardo | Sean | | |
| Gaughan | Michael | Brendan | | |
| George | Elmer | Tony | | |
| George | Tony | Ed Carpenter | | stepfather |
| Gilliland | Butch | David | | |
| Gordon | Huntley | Bob | | |
| Gordon | Bob | Robby | | |
| Gordon | Bob | Beccy | | |
| Gordon | Bob | Robyn | | |
| Graf | Peter | Klaus | | |
| Gregg | Peter | Simon | | |
| Grönholm | Ulf | Marcus | | |
| Grönholm | Marcus | Niclas | | |
| Gushi | Tsukasa | Ken | | |
| Guthrie | Jim | Sean | | |
| Gurney | Dan | Alex | | |
| Hahne | Hubert | Armin | | |
| Hall | Jim | Jim II | | |
| Hall | Rod | Chad | | |
| Hall | Rod | Josh | | |
| Halliday | Don | Liz | | |
| Hamilton | Bobby | Bobby Jr. | | |
| Hamilton | Davey | Davey Jr. | | |
| Hartley | Ted | Gene | | |
| Henn | Preston | Bonnie | | |
| Heimrath | Ludwig Sr. | Ludwig Jr. | | |
| Herck | Andre | Michael | | |
| Hezemans | Toine | Mike | | |
| Hezemans | Toine | Loris | | |
| Hill | Graham | Damon | | |
| Hill | Damon | Josh | | |
| Hill | Phil | Derek | | |
| Hines | Martin | Marc | | |
| Hines | Martin | Luke | | |
| Holbert | Bob | Al | | |
| Holbert | Al | Todd | | |
| Hoshino | Kazuyoshi | Kazuki | | |
| Houser | Thane | Norm | | |
| Houston | Tommy | Marty | | |
| Houston | Tommy | Andy | | |
| Hunt | James | Freddie | | |
| Ickx | Jacky | Vanina | | |
| Jarrett | Ned | Dale | | |
| Jarrett | Ned | Glenn | | |
| Jarrett | Dale | Jason | | |
| Jenkins | Ab | Marvin | | |
| Johnson | Dick | Steven | | |
| Johnson | Warren | Kurt | | |
| Jones | Parnelli | P. J. | | |
| Jones | Parnelli | Page | | |
| Jones | Stan | Alan | | |
| Jones | Alan | Christian | | adopted |
| Jordan | Mike | Andy | | |
| Jourdain | Michel Sr. | Michel Jr. | | |
| Kaeding | Howard | Brent | | |
| Kaeding | Brent | Bud | | |
| Kaeding | Brent | Tim | | |
| Kalitta | Connie | Scott | | |
| Kaye | Peter | James | | |
| Kaye | Peter | Richard | | |
| Kelleners | Helmut | Ralf | | |
| Kendall | Chuck | Tommy | | |
| Kenseth | Matt | Ross | | |
| Keselowski | Bob | Brad | | |
| Keselowski | Bob | Brian | | |
| Kinser | Bob | Steve | | |
| Kinser | Steve | Kraig | | |
| Kox | Peter | Stéphane | | |
| Kumpen | Paul | Anthony | | |
| Kumpen | Paul | | | |
| Kunimoto | Yoshihiro | Keisuke | | |
| Kunimoto | Yoshihiro | Yuji | | |
| Kurosawa | Motoharu | Takuya | | |
| Kurosawa | Motoharu | | | |
| Kurosawa | Motoharu | | | |
| Labonte | Terry | Justin | | |
| Laffite | Jacques | Camille | | |
| Laffite | Jacques | Margot | | |
| Lagasse | Scott | Scott Jr. | | |
| Lauda | Niki | Mathias | | |
| Law | Don | Justin | | |
| Lazier | Bob | Buddy | | |
| Lazier | Bob | Jaques | | |
| Lechner | Walter | Robert | | |
| Lechner | Walter | Walter Jr. | | |
| Leitzinger | Bob | Butch | | |
| Lienhard | Fredy Sr. | Fredy Jr. | | |
| Lindgren | Nettan | Caroline Jansson | | |
| Lowndes | Frank | Craig | | |
| Luyendyk | Arie | Arie Jr. | | |
| Lyons | Judy | Michael | | |
| Lyons | Frank | Michael | | |
| Macrow | Peter | Adam | | |
| Macrow | Peter | Tim | | |
| Magnussen | Jan | Kevin | | |
| Mallock | Arthur | Ray | | |
| Mallock | Arthur | Richard | | |
| Mansell | Nigel | Greg | | All three competed for the same team at the 2010 24 hours of Le Mans |
| Mansell | Nigel | Leo | | All three competed for the same team at the 2010 24 hours of Le Mans |
| Marlin | Clifton | Sterling | | |
| Marlin | Sterling | Steadman | | |
| Marshall | Gerry | Gregor | | |
| Mayer | Teddy | Tim | | |
| McElreath | Jim | James | | |
| McRae | Jimmy | Colin | | |
| McRae | Jimmy | Alister | | |
| McMillin | Corky | Mark | | |
| McMillin | Corky | Scott | | |
| McMillin | Mark | Daniel | | |
| McMillin | Mark | Luke | | |
| McMillin | Scott | Andy | | |
| Mears | Roger | Casey | | |
| Mears | Rick | Clint | | |
| van Merksteijn | Peter Sr. | Peter Jr. | | |
| Meyer | Lou | Louis | | |
| Millen | Rod | Rhys | | Rod and Rhys are New Zealand born and Ryan is US born |
| Millen | Rod | Ryan | | Rod and Rhys are New Zealand born and Ryan is US born |
| Minshaw | Alan | Jason | | |
| Moffat | Allan | James | | stepbrothers; Allan is Canadian |
| Moffat | Allan | Andrew | | stepbrothers; Allan is Canadian |
| Montoya | Juan Pablo | Sebastian | , | |
| Moran | Rocky | Rocky Jr. | | |
| Moss | Alfred | Stirling | | |
| Moss | Alfred | Pat | | |
| Myers | Bobby | Danny | | Bobby was a racing driver, Danny, nicknamed "Chocolate," is best known as a mechanic. |
| Nakajima | Satoru | Kazuki | | |
| Nakajima | Satoru | Daisuke | | |
| Neal | Steve | Matt | | |
| Negrão | Alexandre | Alexandre Sarnes | | |
| Nemechek | Joe Nemechek | John Hunter | | |
| Newey | Adrian | Harrison | | |
| von Opel | Fritz | Rikky | , | |
| O'dor | Jan | Kieth | | |
| Palmer | Jonathan | Jolyon | | |
| Palmer | Jonathan | Will | | |
| Panis | Olivier | Aurélien | | |
| Parnell | Reg | Tim | | |
| Parsons | Johnnie | Johnny | | |
| Patrese | Riccardo | Lorenzo | | |
| Paul | John Sr. | John Jr. | | John Sr. is Dutch born with US citizenship, whereas John Jr. is US born |
| Pearson | David | Larry | | |
| Penske | Roger | Roger Jr. | | |
| Perkins | Larry | Jack | | |
| Petiz | Jorge | Pedro | | |
| Petiz | Jorge | Tiago | | |
| Petty | Lee | Richard | | |
| Petty | Lee | Maurice | | |
| Petty | Richard | Kyle | | |
| Petty | Maurice | Ritchie | | |
| Petty | Kyle | Adam | | |
| Pietsch | Paul | Peter-Paul | | |
| Pilette | Théodore | André | | |
| Pilette | André | Teddy | | |
| Piquet | Nelson | Nelson Jr. | | |
| Piquet | Nelson | Pedro | | |
| Power | Bob | Will | | |
| Price | Drew | Shane | | |
| Proctor | Mark | Senna | | |
| Quaife | Rod | Mike | | |
| Quaife | Mike | Phil | | |
| Prost | Alain | Nicolas | | |
| Radisich | Frank | Paul | | |
| Ragan | Ken | David | | |
| Ragland | Ragland | Chad | | |
| Rahal | Bobby | Graham | | |
| Rautenbach | Billy | Conrad | | |
| Richards | Jim | Steven | | |
| Rice | Bob | Larry | | |
| De Rooy | | Gerard | | |
| Roper | Dean | Tony | | |
| Rosberg | Keke | Nico | , | Nico Rosberg is the son of Keke Rosberg and his German wife Sina. He races with a German racing license. |
| Rosier | Louis | Jean-Louis | | |
| Said | Bob | Boris | | |
| Sainz | Carlos | Carlos Jr. | | |
| Sauter | Jim | Jay | | |
| Sauter | Jim | Tim | | |
| Sauter | Jim | Johnny | | |
| Sauter | Tim | Travis | | |
| Scheckter | Jody | Tomas | | |
| Scheckter | Jody | Toby | | |
| Scheckter | Ian | Jaki | | |
| Schell | Lucy | Harry | | |
| Schell | Laury | Harry | | |
| Schumacher | Michael | Mick | | Mick is Swiss born |
| Schumacher | Ralf | David | | |
| Sears | Jack | David | | |
| Servià | Salvador | Oriol | | |
| Seton | Barry | Glenn | | |
| Sharp | Bob | Scott | | |
| Shaw | Wilbur | Bill | | |
| Siffert | Jo | Philippe | | |
| Simpson | Bill | Mark | | |
| Skaife | Russell | Mark | | |
| Stewart | Jackie | Paul | | |
| Stuck | Hans | Hans-Joachim | | |
| Stuck | Hans-Joachim | Johannes | | |
| Surtees | John | Henry | | |
| Swift | Russ | Paul | | |
| Tachi | Nobuhide | Shingo | | |
| Taylor | Coral | Molly | | |
| Taylor | Geoffrey | Michael | | |
| Taylor | Wayne | Ricky | | Wayne was born in South Africa, Ricky in the United Kingdom, and Jordan in the United States. All are now US citizens. |
| Taylor | Wayne | Jordan | | Wayne was born in South Africa, Ricky in the United Kingdom, and Jordan in the United States. All are now US citizens. |
| Taruffi | Piero | Prisca | | |
| Thackwell | Ray | Mike | | |
| Thackwell | Ray | Lisa | | |
| Thiim | Kurt | Nicki | | |
| Thompson | Mickey | Danny | | |
| Toivonen | Pauli | Henri | | |
| Toivonen | Pauli | Harri | | |
| Trickle | Chuck | Chris | | |
| Truex | Martin | Martin Jr. | | |
| Truex | Martin | Ryan | | |
| Trulli | Jarno | Enzo | | |
| Unser | Jerry | Al | | |
| Unser | Jerry | Jerry Jr. | | |
| Unser | Jerry | Bobby | | |
| Unser | Jerry | Louie | | |
| Unser | Al | Al Jr. | | |
| Unser | Bobby | Robby | | |
| Unser | Bobby | Bobby Jr. | | |
| Unser | Bobby | Jeri | | |
| Unser | Jerry Jr. | Johnny | | |
| Unser | Al Jr. | Al III | | |
| Vanden Heuvel | Dan Sr. | Mike | | |
| Vanden Heuvel | Dan Sr. | Dan Jr. | | |
| Verstappen | Jos | Max | | |
| Villeneuve | Gilles | Jacques | | |
| Villota | Emilio | Emilio Jr. | | |
| Villota | Emilio | Maria | | |
| Vukovich | Bill | Bill II | | |
| Vukovich | Bill II | Bill III | | |
| Walkinshaw | Tom | Fergus | | |
| Walkinshaw | Tom | Sean | | |
| Wallace | Rusty | Steve | | |
| Wallace | Mike | Chrissy | | |
| Wallace | Mike | Matt | | |
| Warmbold | Achim | Anthony | | |
| Williams | Frank | Claire | | |
| Wilson | Malcolm | Matthew | | |
| Winkelhock | Manfred | Markus | | |
| Winterbottom | Jim | Mark | | |
| Wittmann | Franz Sr. | Franz Jr. | | |
| Whittington | R.D. | Bill | | |
| Whittington | R.D. | Don | | |
| Whittington | R.D. | Dale | | |
| Wurz | | Alexander | | |
| Yanagida | | Masataka | | |
| Zborowski | Eliot | Louis | | Eliot is US born with British citizenship |
| Zwolsman | Charles | Charles Jr. | | |
| Zwolsman | Charles | Ross | | |
