Anika Apostalon (born February 1995) is a Czech-American competitive swimmer who specializes in freestyle and backstroke events.
Apostalon began her collegiate career at San Diego State University, where she was a Division I dual-sport athlete in water polo and swimming.
As a senior, Apostalon made the CoSIDA Academic All-American Division I At-Large Team and was named the Pac-12 Women's Swimming Scholar Athlete of the Year.
At the 2019 World Championships, Apostalon anchored the Czech 4x100 Freestyle Relay with a team-best split of 54.26 to place 11th and help the team qualify for the 2020 Tokyo Olympics.
In spring 2020, Apostalon signed for the newly formed Toronto Titans, the first Canadian based ISL team.