Eftychia Karagianni (, born 10 October 1973) is a female Greek water polo player and Olympic silver medalist with the Greece women's national water polo team.
She received a silver medal at the 2004 Summer Olympics in 2004 Athens.
She received a gold medal with the Greece women's national water polo team at the 2005 FINA Women's Water Polo World League in Kirishi, where she scored 19 goals.
See also
List of Olympic medalists in water polo (women)