Cantin is a French surname common in Canada. Notable people with the name include:
Narcisse Cantin (1870–1940), founder of Johnson's Mills, a failed planned community in Ontario, Canada Jean-Charles Cantin (1918–2005), Canadian politician Marc Cantin (1933–1990), Canadian physician and professor Paolo Fernandes Cantin Serge Cantin (born 1945), Canadian bobsledder Jean Pierre Cantin (born 1966), Canadian judoka Sylvie Cantin (born 1970), Canadian speed skater Dave Cantin (born 1979), American entrepreneur Geoffrey Cantin-Arku (born 1998), Canadian football player