| Games: | World Aquatics Championships |
| Nf: | CAN |
| Nfname: | Aquatic Federation of Canada |
| Year: | 1973 |
| Flagcaption: | Flag of Canada |
| Location: | Belgrade, Yugoslavia |
| Gold: | 1 |
| Silver: | 3 |
| Bronze: | 2 |
| Rank: | 6 |
| Appearances: | auto |
Canada competed at the 1973 World Aquatics Championships in Belgrade, Yugoslavia from August 31 to September 9.
See main article: Diving at the 1973 World Aquatics Championships.
| Athlete | Event | Preliminaries | Final | |||
|---|---|---|---|---|---|---|
| Points | Rank | Points | Rank | |||
| Ken Armstrong | align=left rowspan=2 | Men's springboard | 466.08 | 13 | did not advance | |
| align=left rowspan=2 | Scott Cranham | 503.49 | 8 Q | 485.76 | 8 | |
| align=left rowspan=2 | Men's platform | 456.91 | 8 Q | 470.88 | 8 | |
| Glenn Grout | 405.75 | 19 | did not advance | |||
| Cindy Shatto | align=left rowspan=2 | Women's springboard | 371.73 | 11 | did not advance | |
| align=left rowspan=2 | Beverly Boys | 389.31 | 8 Q | 383.55 | 7 | |
| align=left rowspan=2 | Women's platform | 342.99 | 6 Q | 324.18 | 8 | |
| Linda Cuthbert | 328.59 | 11 | did not advance | |||
See main article: Swimming at the 1973 World Aquatics Championships.
| Athlete | Event | Heat | Final | |||
|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | |||
| align=left rowspan=3 | Bruce Robertson | 100 m freestyle | 53.90 | 10 | did not advance | |
| 200 m freestyle | 1:58.21 | 14 | did not advance | |||
| 100 m butterfly | 56.90 | 3 Q | 55.69 CR | |||
| align=left rowspan=2 | Brian Phillips | 100 m freestyle | 55.70 | 24 | did not advance | |
| 100 m butterfly | 58.68 | 11 | did not advance | |||
| align=left rowspan=4 | Ian MacKenzie | 200 m freestyle | 1:59.51 | 18 | did not advance | |
| 100 m backstroke | 1:00.43 | 8 Q | 1:00.60 | 8 | ||
| 200 m backstroke | 2:12.21 | 12 | did not advance | |||
| 200 m butterfly | 2:12.61 | 21 | did not advance | |||
| align=left rowspan=2 | Deane Buckboro | 400 m freestyle | 4:11.72 | 11 | did not advance | |
| 1500 m freestyle | 16:55.79 | 16 | ||||
| align=left rowspan=2 | Michael Ker | 400 m freestyle | 4:20.10 | 20 | did not advance | |
| 1500 m freestyle | 17:00.62 | 17 | ||||
| align=left rowspan=2 | Steve Pickell | 100 m backstroke | 1:01.33 | 15 | did not advance | |
| 200 m backstroke | 2:16.56 | 22 | did not advance | |||
| align=left rowspan=2 | Peter Hrdlitschka | 100 m backstroke | 1:08.62 | 12 | did not advance | |
| 200 m backstroke | 2:31.34 | 14 | did not advance | |||
| align=left rowspan=2 | Mel Zajac | 100 m backstroke | 1:09.97 | 22 | did not advance | |
| 200 m backstroke | 2:33.15 | 18 | did not advance | |||
| John Duncan | 200 m butterfly | 2:12.39 | 20 | did not advance | ||
| Paul Hughes | 400 m individual medley | 4:52.00 | 20 | did not advance | ||
| align=left rowspan=2 | David Brumwell | 200 m individual medley | 2:14.99 | 12 | did not advance | |
| 400 m individual medley | 4:45.52 | 12 | did not advance | |||
| Canadian team | 4 × 100 m freestyle relay | 3:36.91 | 9 | did not advance | ||
| Canadian team | 4 × 200 m freestyle relay | 7:58.43 | 9 | did not advance | ||
| Ian MacKenzie Peter Hrdlitschka Bruce Robertson Brian Phillips | 4 × 100 m medley relay | 4:00.35 | 5 Q | 3:56.371 | ||
| Athlete | Event | Heat | Final | |||
|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | |||
| align=left rowspan=3 | Wendy Hogg | 100 m freestyle | 1:01.70 | 15 | did not advance | |
| 100 m backstroke | 1:06.27 | 4 Q | 1:06.27 | |||
| 200 m backstroke | 2:23.12 CR | 2 Q | 2:23.59 | 6 | ||
| align=left rowspan=5 | Leslie Cliff | 100 m freestyle | 1:03.23 | 26 | did not advance | |
| 200 m freestyle | 2:11.50 | 11 | did not advance | |||
| 800 m freestyle | 9:27.64 | 11 | ||||
| 200 m individual medley | 2:28.84 CR | 7 Q | 2:26.26 | 6 | ||
| 400 m individual medley | 5:10.09 | 6 Q | 5:07.01 | 4 | ||
| Brenda Holmes | 200 m freestyle | 2:14.43 | 16 | did not advance | ||
| Janice Stenhouse | 400 m freestyle | 4:32.04 | 8 Q | 4:31.92 | 7 | |
| align=left rowspan=2 | Anne Marie McCaffrey | 400 m freestyle | 4:37.11 | 12 | did not advance | |
| 800 m freestyle | 9:23.50 | 10 | ||||
| align=left rowspan=2 | Donna Gurr | 100 m backstroke | 1:08.64 | 12 | did not advance | |
| 200 m backstroke | 2:30.86 | 14 | did not advance | |||
| Sylvia Deschamps | 100 m breaststroke | 1:18.14 | 10 | did not advance | ||
| align=left rowspan=2 | Marian Stuart | 100 m breaststroke | 1:19.57 | 14 | did not advance | |
| 200 m breaststroke | 2:50.01 | 13 | did not advance | |||
| Sandra Seath | 200 m breaststroke | 2:53.02 | 18 | did not advance | ||
| align=left rowspan=2 | Patti Stenhouse | 100 m butterfly | 1:07.79 | 14 | did not advance | |
| 200 m butterfly | 2:25.30 | 10 | did not advance | |||
| Joanne DePape | 100 m butterfly | 1:09.86 | 29 | did not advance | ||
| align=left rowspan=2 | Jennifer McHugh | 200 m butterfly | 2:32.90 | 23 | did not advance | |
| 400 m individual medley | 5:21.26 | 16 | did not advance | |||
| Judy Wright | 200 m individual medley | 2:30.03 | 10 | did not advance | ||
| Gail Amundrud Judy Wright Wendy Cook Leslie Cliff | 4 × 100 m freestyle relay | 4:01.44 | 3 Q | 4:00.20 | 4 | |
| Wendy Cook Mary Stewart Patti Stenhouse Gail Amundrud | 4 × 100 m medley relay | 4:34.05 | 7 Q | 4:29.60 | 5 | |