Mary Rice may refer to:
Mary Sophia Hyde Rice (1816–1911), American missionary Mary Livermore (1820–1905), née Mary Rice, American journalist Mary Spring Rice (1880–1924), Irish nationalist activist Mary Blair Rice (1880–1959), better known as American writer Blair Niles Mary E. Rice (born 1926), American invertebrate zoologist Mary Rice Hopkins (active 1990–2010), American Christian musician Mary Rice (wheelchair racer) (active 1996–2000), Irish paralympic athlete Mary Rice, a character in 2008 film Jumper