Mesnard is a surname. Notable people with the surname include:
George Mesnard Parsons (1890–1963), English brewer Isabelle Mesnard (born 1967), French politician J. D. Mesnard (born 1980), American politician John Mesnard (died 1727), English priest Pierre Mesnard (1900–1969), French philosopher
See also
Mesnard-la-Barotière