Cossard is a French surname. It may refer to:

Gisèle Cossard (1923–2016), French-Brazilian anthropologist Monique Cossard (1921–2023), French-American educator, writer 4993 Cossard, a minor planet named for Guido Cossard, an Italian astronomer (born 1958)

See also

Gossard Cossar Cossart