Dorette Margarethe (Dorothea) MacCallum (1863 – July 4, 1952) was a teacher of French and German.

MacCallum was born in the small village of Elbstorf [de] in Lower Saxony 1863, where she married in 1882.

She had met her Scottish-born husband, Mungo William MacCallum, in Aberystwyth in west Wales, where he was a professor, and she was teaching French and German.

MacCallum worked for The Infants' Home Child and Family Services the Sydney Day Nursery and Nursery Schools' Association, the Australian Board of Missions, the Royal Society for the Welfare of Mothers and Babies and the New Settlers' League of Australia.

One son died as a child, another, Mungo Lorenz MacCallum (1884–1934), Rhodes scholar in 1906, who would go on to lecture in Roman Law at the University of Sydney;[5] and Walter Paton MacCallum, who became a Brigadier general in the Australian Army.