Mary Esther may refer to the following:
Places Mary Esther, Florida
People
Mary Esther Gaulden Jagger (1921–2007), American radiation geneticist and political activist Mary Esther Harding (1888–1971), British-American Jungian analyst Mary Esther Kropp Dakubu (1938–2016), American linguist based in Ghana Mary Esther MacGregor (1872–1961), Canadian author also known as Marian Keith Mary Esther Trueblood (1872–1939), American mathematician and sociologist Mary Esther Wells (1943–1992), American singer Mary Esther Were, Kenyan beauty pageant titleholder