David O'Hara (born on 9 July 1965) is a Scottish actor.
O'Hara was born in Glasgow, Scotland to Martha and Patrick O'Hara. He has appeared in many movies and TV series, including a featured role in the U.S. series The District, which he left after one season to return to the British Isles.
His memorable role as the 'mad' Irishman Stephen in Braveheart saw him become William Wallace's (Mel Gibson) trusted friend and guardian after proclaiming of Ireland, "It's my island".
O'Hara is also a lifelong supporter of Celtic F.C..