Cushnie is a surname. Notable people with the surname include:
Carl Cushnie, businessman from the United Kingdom
Carly Cushnie, founder with Michelle Ochs of American fashion house Cushnie et Ochs
John Cushnie (1943–2009), landscape designer, author, journalist, and broadcaster on the BBC Radio 4 programme Gardeners' Question Time
Mykal Cushnie (born 1980), Jamaican film director, film producer and editor