Guillaume Bastille (born 21 July 1985) is a Canadian short track speed skater from Rivière-du-Loup, Quebec.

He competed at the 2010 Winter Olympics in Vancouver in the men's 1500 metre short track and the men's 5000 metre relay competitions.

On 26 February, he won a gold medal in the 5000 m relay along with Charles Hamelin, François Hamelin, François-Louis Tremblay and Olivier Jean.

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