Swimming at the 2005 World Aquatics Championships
The Swimming competition at the 11th FINA World Aquatics Championships consisted of 40 long course events, swum July 24–31, 2005 at pools in Parc Jean-Drapeau in Montreal, Quebec, Canada. Swimming's 40 events were split evenly between males and females and were:
- freestyle : 50, 100, 200, 400, 800 and 1500;
- backstroke : 50, 100 and 200;
- breaststroke : 50, 100 and 200;
- butterfly : 50, 100 and 200;
- Individual Medley : 200 and 400; and
- relay: 4×100 and 4×200 freestyle, and 4×100 medley.
Event schedule
Results
Men
Legend:Women
Medal standings
Records
World records
Nine World Records were set at the 2005 World Championships.| Gender | Event | Round | Name | Nation | Time |
| Men | 800 free | Final | Grant Hackett |  Australia | 7:38.65 |
| Men | 200 back | Final | Aaron Peirsol |  USA | 1:54.66 |
| Men | 50 fly | Semi-final 1 | Roland Schoeman |  South Africa | 23.01* |
| Men | 50 fly | Final | Roland Schoeman | South Africa | 22.96 |
| Men | 100 fly | Final | Ian Crocker | USA | 50.40 |
| Women | 50 breast | Final | Jade Edmistone | Australia | 30.45 |
| Women | 100 breast | Semi-final 1 | Jessica Hardy | USA | 1:06.20 |
| Women | 200 breast | Final | Leisel Jones | Australia | 2:21.72 |
| Women | 200 fly | Final | Otylia Jędrzejczak |  Poland | 2:05.61 |
Championships records
Fifteen Championships records were set at the 2005 World Championships.Note: Results followed by an asterisk denote that the record was subsequently re-broken during the competition.
| Gender | Event | Round | Name | Nation | Time |
| Men | 50 free | Final | Roland Schoeman | South Africa | 21.69 |
| Men | 100 free | Final | Filippo Magnini |  Italy | 48.12 |
| Men | 100 breast | Heat 12 | Kosuke Kitajima |  Japan | 59.71* |
| Men | 100 breast | Final | Brendan Hansen | USA | 59.37 |
| Women | 50 back | Semi-final 2 | Gao Chang |  China | 28.31 |
| Men | 4×100 free relay | Final | Michael Phelps, Neil Walker Nate Dusing, Jason Lezak | USA | 3:13.77 |
| Women | 50 breast | Semi-final 2 | Jade Edmistone | Australia | 30.61* |
| Women | 100 fly | Heat 6 | Jessicah Schipper | Australia | 57.91* |
| Women | 100 fly | Semi-final 2 | Jessicah Schipper | Australia | 57.75* |
| Women | 100 fly | Final | Jessicah Schipper | Australia | 57.23 |
| Women | 200 IM | Final | Katie Hoff | USA | 2:10.41 |
| Women | 400 IM | Final | Katie Hoff | USA | 4:36.07 |
| Women | 4×100 free relay | Final | Jodie Henry, Alice Mills, Shayne Reese, Libby Lenton | Australia | 3:37.32 |
| Women | 4×200 free relay | Final | Natalie Coughlin, Katie Hoff, Whitney Myers, Kaitlin Sandeno | USA | 7:53.70 |
| Women | 4×100 medley relay | Final | Sophie Edington, Leisel Jones, Jessicah Schipper, Libby Lenton | Australia | 3:57.47 |