| Water Polo Schedule |
| Day | Time | Event | Venue |
| Aug. 15 | 2:30 a.m. | Men Egypt vs. Australia | Athens Olympic Sports Complex, Maroussi |
| Aug. 15 | 3:45 a.m. | Men Russia vs. Kazakstan | Athens Olympic Sports Complex, Maroussi |
| Aug. 15 | 9:30 a.m. | Men Serbia and Montenegro vs. Hungary | Athens Olympic Sports Complex, Maroussi |
| Aug. 15 | 10:45 a.m. | Men Italy vs. Spain | Athens Olympic Sports Complex, Maroussi |
| Aug. 15 | 2 p.m. | Men Germany vs. Greece | Athens Olympic Sports Complex, Maroussi |
| Aug. 15 | 3:15 p.m. | Men Croatia vs. United States | Athens Olympic Sports Complex, Maroussi |
| Aug. 16 | 2:30 a.m. | Women United States vs. Hungary | Athens Olympic Sports Complex, Maroussi |
| Aug. 16 | 3:45 a.m. | Women Australia vs. Italy | Athens Olympic Sports Complex, Maroussi |
| Aug. 16 | 9:30 a.m. | Women Russia vs. Canada | Athens Olympic Sports Complex, Maroussi |
| Aug. 16 | 10:45 a.m. | Women Greece vs. Kazakstan | Athens Olympic Sports Complex, Maroussi |
| Aug. 17 | 2:30 a.m. | Men Australia vs. Italy | Athens Olympic Sports Complex, Maroussi |
| Aug. 17 | 3:45 a.m. | Men Germany vs. Egypt | Athens Olympic Sports Complex, Maroussi |
| Aug. 17 | 9:30 a.m. | Men Kazakstan vs. United States | Athens Olympic Sports Complex, Maroussi |
| Aug. 17 | 10:45 a.m. | Men Russia vs. Serbia and Montenegro | Athens Olympic Sports Complex, Maroussi |
| Aug. 17 | 2 p.m. | Men Greece vs. Spain | Athens Olympic Sports Complex, Maroussi |
| Aug. 17 | 3:15 p.m. | Men Hungary vs. Croatia | Athens Olympic Sports Complex, Maroussi |
| Aug. 18 | 2:30 a.m. | Women Australia vs. Kazakstan | Athens Olympic Sports Complex, Maroussi |
| Aug. 18 | 3:45 a.m. | Women United States vs. Canada | Athens Olympic Sports Complex, Maroussi |
| Aug. 18 | 9:30 a.m. | Women Russia vs. Hungary | Athens Olympic Sports Complex, Maroussi |
| Aug. 18 | 10:45 a.m. | Women Greece vs. Italy | Athens Olympic Sports Complex, Maroussi |
| Aug. 19 | 2:30 a.m. | Men Serbia and Montenegro vs. Kazakstan | Athens Olympic Sports Complex, Maroussi |
| Aug. 19 | 9:30 a.m. | Men Spain vs. Australia | Athens Olympic Sports Complex, Maroussi |
| Aug. 19 | 10:45 a.m. | Men Italy vs. Germany | Athens Olympic Sports Complex, Maroussi |
| Aug. 19 | 2 p.m. | Men Egypt vs. Greece | Athens Olympic Sports Complex, Maroussi |
| Aug. 19 | 3:15 p.m. | Men Croatia vs. Russia | Athens Olympic Sports Complex, Maroussi |
| Aug. 20 | 2 a.m. | Women Italy vs. Kazakstan | Athens Olympic Sports Complex, Maroussi |
| Aug. 20 | 3:15 a.m. | Women United States vs. Russia | Athens Olympic Sports Complex, Maroussi |
| Aug. 20 | 9:45 a.m. | Women Hungary vs. Canada | Athens Olympic Sports Complex, Maroussi |
| Aug. 20 | 11:30 a.m. | Women Australia vs. Greece | Athens Olympic Sports Complex, Maroussi |
| Aug. 21 | 2:30 a.m. | Men Kazakstan vs. Hungary | Athens Olympic Sports Complex, Maroussi |
| Aug. 21 | 3:45 a.m. | Men Egypt vs. Italy | Athens Olympic Sports Complex, Maroussi |
| Aug. 21 | 9:30 a.m. | Men Germany vs. Spain | Athens Olympic Sports Complex, Maroussi |
| Aug. 21 | 10:45 a.m. | Men Greece vs. Australia | Athens Olympic Sports Complex, Maroussi |
| Aug. 21 | 2 p.m. | Men Serbia and Montenegro vs. Croatia | Athens Olympic Sports Complex, Maroussi |
| Aug. 21 | 3:15 p.m. | Men Russia vs. United States | Athens Olympic Sports Complex, Maroussi |
| Aug. 22 | 3:45 a.m. | Women Seventh Place | Athens Olympic Sports Complex, Maroussi |
| Aug. 22 | 10 a.m. | Women Quarterfinal 1 | Athens Olympic Sports Complex, Maroussi |
| Aug. 22 | 11:15 a.m. | Women Quarterfinal 2 | Athens Olympic Sports Complex, Maroussi |
| Aug. 23 | 2:30 a.m. | Men Germany vs. Australia | Athens Olympic Sports Complex, Maroussi |
| Aug. 23 | 3:45 a.m. | Men Croatia vs. Kazakstan | Athens Olympic Sports Complex, Maroussi |
| Aug. 23 | 10 a.m. | Men Spain vs. Egypt | Athens Olympic Sports Complex, Maroussi |
| Aug. 23 | 11:15 a.m. | Men Russia vs. Hungary | Athens Olympic Sports Complex, Maroussi |
| Aug. 23 | 2 p.m. | Men United States vs. Serbia and Montenegro | Athens Olympic Sports Complex, Maroussi |
| Aug. 23 | 3:15 p.m. | Men Italy vs. Greece | Athens Olympic Sports Complex, Maroussi |
| Aug. 24 | 3:45 a.m. | Women 5th place | Athens Olympic Sports Complex, Maroussi |
| Aug. 24 | 10 a.m. | Women Semifinal 1 | Athens Olympic Sports Complex, Maroussi |
| Aug. 24 | 11:15 a.m. | Women Semifinal 2 | Athens Olympic Sports Complex, Maroussi |
| Aug. 25 | 2:30 a.m. | Men Classification 7th-12th | Athens Olympic Sports Complex, Maroussi |
| Aug. 25 | 3:45 a.m. | Men Classification 7th-12th | Athens Olympic Sports Complex, Maroussi |
| Aug. 25 | 10 a.m. | Men Quarterfinal 1 | Athens Olympic Sports Complex, Maroussi |
| Aug. 25 | 11:15 a.m. | Men Quarterfinal 2 | Athens Olympic Sports Complex, Maroussi |
| Aug. 26 | 10 a.m. | Women Bronze Medal | Athens Olympic Sports Complex, Maroussi |
| Aug. 26 | 11:15 a.m. | Women Gold Medal | Athens Olympic Sports Complex, Maroussi |
| Aug. 27 | 2:30 a.m. | Men 11th place | Athens Olympic Sports Complex, Maroussi |
| Aug. 27 | 3:45 a.m. | Men Classification 7th-10th | Athens Olympic Sports Complex, Maroussi |
| Aug. 27 | 10 a.m. | Men Classification 7th-10th | Athens Olympic Sports Complex, Maroussi |
| Aug. 27 | 11:15 a.m. | Men Semifinal 1 | Athens Olympic Sports Complex, Maroussi |
| Aug. 27 | 2 p.m. | Men Semifinal 2 | Athens Olympic Sports Complex, Maroussi |
| Aug. 29 | 2:30 a.m. | Men 9th place | Athens Olympic Sports Complex, Maroussi |
| Aug. 29 | 3:45 a.m. | Men 7th place | Athens Olympic Sports Complex, Maroussi |
| Aug. 29 | 5 a.m. | Men 5th place | Athens Olympic Sports Complex, Maroussi |
| Aug. 29 | 9 a.m. | Men Bronze Medal | Athens Olympic Sports Complex, Maroussi |
| Aug. 29 | 10:30 a.m. | Men Gold Medal | Athens Olympic Sports Complex, Maroussi |
