Chrysoula "Chrysi" Diamantopoulou (Greek: ???s? ??aµa?t?p?????; born September 22, 1995) is a Greek water polo player, who plays as a goalkeeper for Olympiacos and the Greece women's national team.
She was part of the Greek team that won the silver medal at the 2018 European Championship in Barcelona and the sixth place at the 2015 World Aquatics Championships.