Greece at the 2025 World Aquatics Championships
Greece competed at the 2025 World Aquatics Championships in Singapore from July 11 to August 3, 2025.
Competitors
The following is the list of competitors in the Championships.| Sport | Men | Women | Total |
| Artistic swimming | 2 | 10 | 12 |
| Diving | 2 | 0 | 2 |
| Open water swimming | 2 | 1 | 3 |
| Swimming | 10 | 5 | 15 |
| Water polo | 15 | 15 | 30 |
| Total | 31 | 31 | 62 |
Artistic swimming
;Men;Women
;Mixed
Diving
;MenOpen water swimming
;Men;Women
Swimming
Greece entered 15 swimmers.;Men
;Women
;Mixed
Water polo
;SummaryMen's tournament
;Team roster;Group play
;Playoffs
;Quarterfinals
;Semifinals
;Third place game
Women's tournament
;Team roster;Group play
;Playoffs
;Quarterfinals
;Semifinals
;Final