| Born: | July 29, 1994 | Draft: | Undrafted |
| Hometown: | Halifax, NS | Position: | Center/Left Wing |
| Known For: | Shoots: | Left | |
| National Team: | Canada | Current Team: | Utah Mammoth |
Liam O’Brien (born July 29, 1994) is a Canadian professional ice hockey forward. He is currently playing with the Utah Mammoth of the National Hockey League (NHL).
