William H. O'Brien
- Born
- 19 July 1891
- Died
- 18 April 1981 (aged 89)
- Place of birth
- Peak Hill, New South Wales, Australia
- Known for
- Actor
William H. O'Brien was born on 19 July 1891 in Peak Hill, New South Wales, Australia. He was an actor, known for I've Been Around (1935), Once a Gentleman (1930) and The Sky Raiders (1931). He died on 18 April 1981 in Los Angeles, California, USA.
