David Lyons may refer to: David Lyons (actor) (born 1976), Australian actor David Lyons (rugby union, born 1980), Australian rugby union player David Lyons (rugby union, born 1985), English rugby union player David Lyons (philosopher) (born 1935), professor of philosophy and law at Boston University David Lyons (swimmer) (born 1943), American swimmer See also David Lyon (disambiguation) Lyons (surname)