Minard Crommelin MBE (1881–1972) was an Australian postmistress and environmental conservationist.Crommelin was born on 29 June 1881 at Aston Station, near Bombala, New South Wales.
Crommelin was appointed an Order of the British Empire (M.B.E), Civil member, in recognition of service to the flora and fauna on 1 January 1959.Both Crommelin Crescent, St Helens Park and Crommelin Place, Chisholm, have been named in her honour.Crommelin died at her home in Pearl Beach, New South Wales on 14 February 1972, aged 90.