Harry Watt (1906–1987) was a film director.
Harry Watt may also refer to:
- Harry Watt (politician) (1863–1929), British politician
- Horrie Watt (1891–1969), also known as Harry, Australian rugby league player
- A Harry Watt drill-bit, a type of mortiser
See also
edit- Harry Watts (1826–1913), sailor and diver
- Harry Watts (jockey) (1894–1940), Canadian jockey
- Henry Watt (disambiguation)