Mary Susan is a feminine given name. Notable people with the name include:
Mary Susan Applegate (born 1955), American songwriter, poet, and lyricist Mary Susan Etherington (1864–1942), English singer and comic actress known professionally as Marie Tempest Mary Susan Gast (born 1945), American poet Mary Susan McIntosh (1936–2013), British sociologist, feminist, political activist, and campaigner for lesbian and gay rights in the UK
See also