Karine Thomas (born January 14, 1989) was a Canadian synchronized swimmer.

Thomas began synchronized swimming at age ten, at thirteen she moved to Montreal to further her training.

[1] She joined the national team in 2007 and competed in her first world championships that year.

[3] Thomas won two golds at the 2015 Pan American Games, one in the team event and one with her partner Jacqueline Simoneau in the duet.

[4] In May 2017 Thomas retired from synchronized swimming, after being on the Canadian national team for ten years.