Morissette is a surname. Notable people with the surname include:
Alanis Morissette (born 1974), a Canadian singer-songwriter
Catherine Morissette (born 1979), a Canadian politician and lawyer
Claire Morissette (1950–2007), a Canadian cycling advocate
Dave Morissette (born 1971), a Canadian professional ice hockey forward
Émilien Morissette (born 1927), a Canadian politician
Guillaume Morissette (born 1984), a Canadian fiction writer and poet
Jean-Guy Morissette (1937–2011), a Canadian professional ice hockey goaltender
Pierre Morissette (born 1944), a Canadian Roman Catholic bishop
