Louis Cyr (French: Louis Cyr, l’homme le plus fort du monde) is a 2013 Canadian drama film. A biopic directed by Daniel Roby, the film stars Antoine Bertrand as Canadian strongman Louis Cyr. The film is based on a novel by Paul Ohl.

Its cast also includes Gilbert Sicotte, Rose-Maïté Erkoreka, Guillaume Cyr, Gil Bellows, Eliane Gagnon, Normand Carrière, Amélie Grenier, Cliff Saunders and Marilyn Castonguay.

The film was the top-grossing film of the year in Quebec. It garnered several technical nominations at the 2nd Canadian Screen Awards, including nods for Best Art Direction or Production Design, Best Costume Design, Best Sound Editing and Best Visual Effects.