| Vasiliki Diamantopoulou | |
| Nationality: | Greek |
| Birth Date: | 12 March 1993 |
| Height: | 1.80 m |
| Weight: | 73 kg |
| Position: | Defender |
| L/R: | Right |
| Currentclub: | NC Vouliagmeni |
Vasiliki Diamantopoulou (Greek, Modern (1453-);: Βασιλική Διαμαντοπούλου, born 12 March 1993) is a Greek water polo player for NC Vouliagmeni and the Greece women's national water polo team.
She participated at the 2018 Women's European Water Polo Championship.[1]