Mary Arnold
# Mary Arnold

Mary Arnold may refer to:

* Mary Arnold (tennis) (1916–1975), American tennis player
* Mary Anne Arnold (1825–?), English sailor and crossdresser
* Mary Arnold (singer) (born 1947), American singer
* Mary Daisy Arnold (1873–1955), American botanical artist
* Mary Ellicott Arnold (1876–1968), American social activist, teacher and writer
* Mary Peterson Arnold (1885–1973), American politician
* Mary Augusta Ward (née Arnold; 1851–1920), British writer
