Eleni Xenaki ('; born 5 July 1997), also known as Elena Xenaki, is a Greek female water polo player, who was part of the Greek national team that won the silver medal at the 2018 European Championship in Barcelona and the sixth place at the 2015 World Aquatics Championships.
At club level, she played for Olympiacos water polo team. In the season 2025-2026, she is a key player of the Vouliagmeni Nautical Club.