Nancy Tyson Burbidge AO (5 August 1912 – 4 March 1977) was an Australian systemic botanist, conservationist and herbarium curator.Burbidge was born in Cleckheaton, Yorkshire; her father, William Burbidge, was an Anglican clergyman and immigrated to Australia in 1913 when he was appointed to a parish in Western Australia. She was educated at Katanning (Kobeelya) Church of England Girls' School – founded by her mother Nancy Eleanor.