Niall O'Brien
- Born
- 8 February 1946
- Died
- 25 February 2009 (aged 63)
- Place of birth
- Dublin, Ireland
- Known for
- Actor
Niall O'Brien was born on 8 February 1946 in Dublin, Ireland. He was an actor, known for Excalibur (1981), Gorky Park (1983) and Braveheart (1995). He died on 25 February 2009 in Ireland.
