Australia at the 2009 World Aquatics Championships
Australia competed at the 2009 World Aquatics Championships in Rome, Italy from 17 July to 2 August 2009.Diving
;Men
;Women;Men
| Athlete | Event | Time | Rank |
| Andrew Beato | 5 km | 56:52.4 | 13 |
| Brendan Capell | 25 km | 5:30:27.5 | 7 |
| Trent Grimsey | 5 km | 57:07.2 | 16 |
| Trent Grimsey | 10 km | 1:52:14.8 | 8 |
| Trent Grimsey | 25 km | 5:26:50.7 | |
| Rhys Mainstone | 10 km | 1:52:50.2 | 21 |
;Women;Men
;WomenWater polo
Men's tournament
;Team roster:
| No. | Name | Date of birth | L/R | Position | Height | Weight |
| 1 | | 21 7 1987 | B | GK | | |
| 2 | | 18 9 1987 | R | CB | | |
| 3 | | 15 12 1984 | R | CF | | |
| 4 | | 14 8 1987 | L | D | | |
| 5 | | 4 9 1983 | R | CB | | |
| 6 | | 20 3 1985 | R | CB | | |
| 7 | | 29 10 1987 | R | D | | |
| 8 | | 27 4 1981 | R | D | | |
| 9 | | 13 10 1980 | R | D | | |
| 10 | | 21 2 1988 | R | D | | |
| 11 | | 2 4 1987 | R | D | | |
| 12 | | 10 9 1978 | R | CF | | |
| 13 | | 20 8 1985 | B | GK | | |
;Group play
| Team | Pld | W | D | L | GF | GA | GD | Pts |
| 3 | 3 | 0 | 0 | 35 | 24 | +11 | 6 |
| 3 | 1 | 1 | 1 | 37 | 22 | +15 | 3 |
| 3 | 1 | 1 | 1 | 32 | 28 | +4 | 3 |
| 3 | 0 | 0 | 3 | 15 | 45 | -30 | 0 |
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;Quarterfinal
;9th-12th place semifinal
;9th place game;Roster
| No. | Name | Date of birth | L/R | Position | Height | Weight |
| 1 | | 7 6 1983 | R | GK | | |
| 2 | | 1 1 1989 | R | CF | | |
| 3 | | 26 2 1986 | R | D | | |
| 4 | | 26 12 1978 | R | D | | |
| 5 | | 6 6 1985 | R | D | | |
| 6 | | 16 4 1986 | R | CB | | |
| 7 | | 27 12 1987 | R | D | | |
| 8 | | 5 7 1982 | R | D | | |
| 9 | | 8 8 1988 | R | D | | |
| 10 | | 20 8 1986 | R | CF | | |
| 11 | | 20 1 1981 | R | D | | |
| 12 | | 11 8 1990 | R | CB | | |
| 13 | | 27 7 1985 | R | GK | | |
;Group play
| Team | Pld | W | D | L | GF | GA | GD | Pts |
| 3 | 2 | 1 | 0 | 43 | 12 | +31 | 5 |
| 3 | 2 | 1 | 0 | 38 | 17 | +21 | 5 |
| 3 | 1 | 0 | 2 | 22 | 31 | -9 | 2 |
| 3 | 0 | 0 | 3 | 12 | 55 | -43 | 0 |
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;Quarterfinal
;5th-8th place semifinal
;5th place game
