David O'Connor may refer to:
David O'Connor (Egyptologist) (1938–2022), Australian Egyptologist David O'Connor (equestrian) (born 1962), American international eventer David O'Connor (footballer) (born 1985), Drogheda United player David J. O'Connor (1924–2011), member of the Massachusetts House of Representatives David O'Connor (illustrator), an illustrator of The Fey Series David O'Connor (rugby union) (born 1995), Irish rugby union player David O'Connor (singer), Irish winner of series five of You're a Star in 2006–07
See also David Connor (disambiguation)