Karine Legault (born August 4, 1978 in Saint-EustacheQuebec) is a retired female freestyle swimmer from Canada, who competed for her native country at the 2000 Summer Olympics in Sydney, Australia. There she ended up in 16th place in the women's 800m freestyle event, clocking 8:43.56 in the preliminary heats. Her older brother Hugues Legault also competed in swimming, and represented Canada at the 1996 Summer Olympics.

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