Augustus Frederick Oldfield

Augustus Frederick Oldfield (1821–1887) was an English botanist and zoologist who made large collections of plant specimens in Australia.

Oldfield was born on 12 January 1821 in London, England. He made botanical collections in Tasmania, the coastal regions of Western Australia, and on the Nullarbor Plain. Oldfield published a paper 'On the Aborigines of Australia' in 1865, a detailed survey of the cultural practices of the peoples living near Port Gregory.

He died on 22 May 1887, after returning to London in 1862.

His main collection was deposited at the National Herbarium of Victoria, Royal Botanic Gardens Victoria, by Ferdinand von Mueller, other parts of his herbaria are held at Kew and Western Australia. His name is commemorated in epithets of species such as Eucalyptus oldfieldii