Régent Lacoursière (19 April 1935 – 9 May 2025) was a Canadian swimmer.
A winner of over 300 amateur swimming medals, he represented Canada at the 1954 British Empire and Commonwealth Games in Vancouver. Nicknamed the "Québécois Johnny Weissmuller", he won the in 1960 and was inducted into the on 24 November 2010.
Lacoursière died on 9 May 2025, at the age of 90.