Garant is a surname. Notable people with the surname include:

Alain Garant (born 1952), Canadian politician Kevin Garant (born 1963), American guitarist, composer, and sound designer. Robert Ben Garant (born 1970), American actor, comedian, writer, director and producer. Serge Garant (1929–1986), Canadian composer, conductor, academic, and radio host. Sylvie Garant (born 1957), French Canadian model