Antonia Lewin-LaFrance (born July 12, 1997) is a Canadian sailor competing in the 49erFX event.

[1] Lewin-LaFrance was born in Montreal, Quebec, and raised in Chester, Nova Scotia.

[2] Early in the 2024 season the LaFrance sisters finished fourth at the Princess Sofia Regatta.

[3] In March 2024, Lewin-LaFrance along with her sister finished in eighth place at the 2024 World Championships.

[5][6] In June 2024, Lewin-LaFrance was officially named to Canada's 2024 Olympic team.