Morissette is a surname. Notable people with the surname include:
Alanis Morissette (born 1974), a Canadian singer-songwriterCatherine Morissette (born 1979), a Canadian politician and lawyerClaire Morissette (1950–2007), a Canadian cycling advocateDave Morissette (born 1971), a Canadian professional ice hockey forwardÉmilien Morissette (born 1927), a Canadian politicianGuillaume Morissette (born 1984), a Canadian fiction writer and poetJean-Guy Morissette (1937–2011), a Canadian professional ice hockey goaltenderPierre Morissette (born 1944), a Canadian Roman Catholic bishop