Sandison is a surname. Notable people with the surname include:
Charles Sandison (born 1969), Scottish visual artist
Jimmy Sandison (born 1965), Scottish footballer
Johnny Sandison (1926-2004), Canadian broadcaster
Marcus and Michael Sandison, Scottish duo comprising Boards of Canada
Ronald A. Sandison, pioneering British psychotherapist at Powick Hospital
Scott Sandison (born 1979), Canadian field hockey player
Bruce Sandison (1938-2016), successful writer, angler and fish farm activist.