Keast may refer to:
People Jackie Keast, editor of If Magazine, an Australian film industry magazine James Allen Keast (1922–2009), Australian ornithologist William Keast (New South Wales politician) (1872–1938), member of the New South Wales Legislative Assembly William Keast (Victorian politician) (1866–1927), member of the Victorian Legislative Assembly
Other uses Keast Park, a park in Seaford, Victoria, Australia
See also Keaster, a slang term for buttocks Keast's tube-nosed fruit bat Keats (disambiguation)