James Allen Keast (15 November 1922 – 8 March 2009) was an Australian ornithologist, and Professor of Biology at Queen's University, Kingston, Ontario, Canada.
Born in Turramurra, New South Wales, he performed war service 1941–1945 in New Guinea and New Britain.
Serventy Medal for outstanding published work on birds in the Australasian region.
At Queen's, the J. Allen Keast Lake Opinicon Undergraduate Research Fellowship provides funds for an undergraduate to carry out summer study at Queen's University Biological Station.
The fictional city-state of Keastipol, on the coast of the Great Southern Continent of K.V.