| Christina Thalassinidou | |
| Strokes: | Synchronised swimming |
| Coach: | Natalia Mashchuk |
| Birth Date: | 31 July 1970 |
| Birth Place: | Tbilisi, Georgian SSR, Soviet Union |
| Weight: | 53kg (117lb) |
| Show-Medals: | yes |
Christina Thalassinidou (born 31 July 1970) is a Soviet and later Greek former synchronized swimmer who competed in the 1988, 1992, 2000, and .