Mary Carpenter (disambiguation)

Mary Carpenter was a social reformer.

Mary Carpenter may also refer to:
 * Mary Chapin Carpenter (born 1958), American singer, songwriter and musician
 * Mary Elizabeth Sutherland Carpenter, better known as Liz Carpenter (1920–2010), writer, feminist and reporter
 * Mary Imogen Carpenter (1912–1993), musician, composer, music lecturer, and actor
 * Mary P. Carpenter (1840–1900), American inventor