Ambrose O'Brien | |
|---|---|
 O'Brien in a 1922 illustration | |
| Born | John Ambrose O'Brien May 27, 1885 |
| Died | April 24, 1968 (aged 82) |
| Nationality | Canadian |
| Occupation(s) | Industrialist Ice hockey magnate |
| Awards | Hockey Hall of Fame (1962) |
John Ambrose O'Brien (May 27, 1885 – April 24, 1968) was a Canadian industrialist and sports team owner. He was a founder of the National Hockey Association (NHA), owner of the Renfrew Millionaires and the founding owner of the Montreal Canadiens professional ice hockey team.
