2011–12 NHL suspensions and fines
The following is a list of all suspensions and fines enforced in the National Hockey League during the 2011–12 NHL season. It lists players and coaches, their offense, and the punishments they received. During the regular season, the Vancouver Canucks was the only team that did not have any players or staff suspended or fined.
Suspensions
† - suspension covered at least one pre-season game‡ - suspension covered at least one post-season game
* - suspension carried over to 2012–13 season
| Date of Incident | Offender | Team | Offense | Date of Action | Length |
| Calgary Flames | Boarding Matt Clackson. | 5 games† | |||
| Philadelphia Flyers | Boarding Darryl Boyce. | 10 games† | |||
| Columbus Blue Jackets | Illegal hit to the head of Cal Clutterbuck. | 12 games† | |||
| Minnesota Wild | Checking Cody Bass from behind. | 7 games† | |||
| Buffalo Sabres | Illegal hit to the head of Joe Colborne. | 2 games† | |||
| Anaheim Ducks | Leaving bench to initiate a fight with Mike Duco. | 9 games† | |||
| Philadelphia Flyers | Checking Andre Deveaux from behind. | 4 games† | |||
| Detroit Red Wings | Illegal hit to the head of Ben Smith. | 8 games† | |||
| Toronto Maple Leafs | Illegal hit to the head of Justin Abdelkader. | 3 games† | |||
| Minnesota Wild | High sticking Matt Calvert. | 2 games | |||
| Pittsburgh Penguins | Boarding Alexander Burmistrov. | 2 games | |||
| Edmonton Oilers | Elbowing Gabriel Landeskog. | 5 games | |||
| Chicago Blackhawks | Hit from behind on Joni Pitkanen. | 2 games | |||
| Buffalo Sabres | Headbutt on Jakub Voracek. | 4 games | |||
| St. Louis Blues | Checking Niklas Kronwall from behind. | 3 games | |||
| New York Rangers | Illegal hit to the head of Tomas Fleischmann. | 3 games | |||
| Montreal Canadiens | Illegal hit to the head of Kris Letang. | 3 games | |||
| Nashville Predators | Charging goaltender Ryan Miller. | 2 games | |||
| Dallas Stars | Charging Nino Niederreiter. | 3 games | |||
| Colorado Avalanche | Kneeing David Booth. | 4 games | |||
| Buffalo Sabres | Elbowing Matt Read. | 1 game | |||
| Edmonton Oilers | Charging Alexei Ponikarovsky. | 8 games | |||
| Boston Bruins | Checking Zac Rinaldo from behind. | 1 game | |||
| Calgary Flames | Checking Brent Seabrook from behind. | 2 games | |||
| Pittsburgh Penguins | Illegal hit to the head of Marcus Kruger. | 3 games | |||
| St. Louis Blues | Illegal hit to the head of Justin Abdelkader. | 3 games | |||
| Florida Panthers | Insensitive comments directed at P. K. Subban | 1 game | |||
| Phoenix Coyotes | Charging Nate Prosser | 2 games | |||
| Chicago Blackhawks | Boarding Tom Gilbert | 7 games | |||
| Calgary Flames | Elbowing Nicklas Backstrom. | 5 games | |||
| Boston Bruins | Clipping Sami Salo. | 5 games | |||
| Anaheim Ducks | Illegal hit to the head of R. J. Umberger. | 3 games | |||
| Columbus Blue Jackets | Illegal hit to the head of Andrew Desjardins. | 3 games | |||
| Boston Bruins | Boarding Ryan McDonagh. | 3 games | |||
| Washington Capitals | Charging Zbynek Michalek. | 3 games | |||
| Philadelphia Flyers | Charging Jonathan Ericsson. | 2 games | |||
| Minnesota Wild | Cross-checking David Backes. | 1 game | |||
| Washington Capitals | Illegal hit to the head of Brett Connolly. | 3 games | |||
| Buffalo Sabres | Boarding Scott Gomez. | 3 games | |||
| Carolina Hurricanes | Kicking Scott Nichol. | 2 games | |||
| Phoenix Coyotes | Elbowing Jamie Benn. | 3 games | |||
| Chicago Blackhawks | Elbowing Daniel Sedin. | 5 games | |||
| Detroit Red Wings | Charging Tomas Kopecky. | 1 game | |||
| Minnesota Wild | Head-butting Jamal Mayers. | 1 game | |||
| Vancouver Canucks | Boarding Kyle Clifford. | 2 games‡ | |||
| New York Rangers | Elbowing Daniel Alfredsson. | 3 games‡ | |||
| Ottawa Senators | Aggressing an unwilling Brian Boyle. | 1 game‡ | |||
| Chicago Blackhawks | Charging goaltender Mike Smith. | 3 games‡ | |||
| Pittsburgh Penguins | Instigator penalty in the last five minutes of a game. | 1 game‡ | |||
| Pittsburgh Penguins | Charging Claude Giroux. | 1 game‡ | |||
| Pittsburgh Penguins | Cross-checking Brayden Schenn. | 4 games‡ * | |||
| Washington Capitals | Cross-checking Rich Peverley. | 1 game‡ | |||
| Phoenix Coyotes | Late charge to the head of Marian Hossa. | 25 games reduced to 21 games‡ * | |||
| Phoenix Coyotes | Boarding Matthew Halischuk. | 1 game‡ | |||
| Philadelphia Flyers | Illegal hit to the head of Dainius Zubrus. | 1 game‡ | |||
| Phoenix Coyotes | Boarding Dustin Brown. | 1 game‡ | |||
| New York Rangers | Elbowing Anton Volchenkov. | 1 game‡ |