Dornan is a surname. Notable people with the surname include:
Alan Dornan (born 1962), Northern Irish footballer and manager Andy Dornan (born 1961), Scottish footballer Bob Dornan (born 1933), American politician Dimity Dornan, Australian speech pathologist, author, and businesswoman Henry Dornan (1916–1990), Scottish footballer James Dornan (born 1953), Scottish politician Jamie Dornan (born 1982), Northern Irish actor, model, and musician Jim Dornan (born 1948), Northern Irish obstetrician, gynecologist, and professor John Dornan (cricketer) (1880–1959), American cricketer Peter Dornan (born 1939), British physicist and professor Tim Dornan (born 1950), British physician, endocrinologist, and medical educationalist William Dornan (c. 1895–1937), Scottish footballer