Stephania Haralabidis

Stephania Haralabidis (; born May 19, 1995) is a Greek American water polo player who played at USC and currently playing for Ethnikos and the U.S. national team. Haralabidis also has two sisters, her twin Ioanna and older sister Anastaia. Ioanna was also on the USC women's water polo team. She led the team to NCAA championship in 2016.

She won the Peter J. Cutino Award. Named National Player of the Year and MPSF Player of the Year. A First-Team All-American and named to the All-MPSF First Team. Named NCAA Tournament MVP after scoring five goals in the NCAA Championship game, including the game-winner from distance with just seconds remaining. Won a gold at 2014 European U19 Championship in Ostia, Italy. She also won a bronze medal with the senior team at 2012 FINA World League in Changshu, China.

Since 2017 she is representing the U.S. national team winning a gold medal at 2018 FINA World League in Kunshan, China; and another gold at 2018 FINA World Cup in Surgut, Russia.

In 2020, Haralabidis and Team USA won an Olympic Gold Medal at the Tokyo Olympics. and older sister Anastasia. Haralabidis attended Corona Del Mar High School.