2013 Australian Swimming Championships
The 2013 Australian Swimming Championships were held from 26 April until 3 May 2013 at the South Australia Aquatic and Leisure Centre in Adelaide, South Australia. They doubled up as the national trials for the 2013 World Aquatics Championships.
Qualification criteria
Below were the entry qualifying times for each event that had to be achieved after 1 January 2012 in a 50m pool.| Event | Men | Women |
| 50m freestyle | 24.30 | 27.40 |
| 100m freestyle | 53.10 | 59.00 |
| 200m freestyle | 1:57.00 | 2:07.50 |
| 400m freestyle | 4:07.50 | 4:27.00 |
| 800m freestyle | 8:37.00 | 9:02.00 |
| 1500m freestyle | 16:12.00 | 17:45.00 |
| 50m backstroke | 29.00 | 32.00 |
| 100m backstroke | 1:01.40 | 1:08.00 |
| 200m backstroke | 2:13.00 | 2:25.00 |
| 50m breaststroke | 32.10 | 36.00 |
| 100m breaststroke | 1:09.80 | 1:17.80 |
| 200m breaststroke | 2:31.80 | 2:46.00 |
| 50m butterfly | 26.10 | 30.00 |
| 100m butterfly | 58.50 | 1:05.40 |
| 200m butterfly | 2:09.00 | 2:23.50 |
| 200m IM | 2:14.00 | 2:27.00 |
| 400m IM | 4:43.00 | 5:05.00 |
| 4 × 100 m freestyle relay | 3:37.00 | 4:09.00 |
| 4 × 200 m freestyle relay | 8:00.00 | 8:45.00 |
| 4 × 100 m medley relay | 4:05.00 | 4:35.00 |
Below were the FINA A and B qualifying times for the 2013 World Aquatics Championships for each event.