Joseph Bartoch (born January 3, 1983) is a former competition swimmer from Canada, who specialized in the butterfly events.

He claimed a bronze medal as a member of the third-place Canadian team in the 4x100-metre medley relay at the 2007 Pan American Games in Rio de Janeiro, Brazil.

He competed at the 2008 Summer Olympics in Beijing in the 100-metre butterfly and the 4x100-metre medley relay, and in the same events at the 2012 Summer Olympics in London.

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