Mary Elizabeth Turner Salter (15 March 1856 – 12 September 1938) was an American soprano and composer. She was born in Peoria, Illinois, the daughter of Jonathan and Mary E. Hinds Turner. Turner graduated from Burlington High School in Burlington, Iowa, and the Boston College of Music, and then worked as a voice teacher at Wellesley College and performed in churches. In 1881 she married Sumner Salter. She died in Orangeburg, New York. She was one of the founding members of the American Society of Women Composers.