| Honorific-Prefix: | The Honourable |
| Glen Abernethy | |
| Honorific-Suffix: | MLA |
| Birth Date: | 1971 |
| Office: | Member of the Legislative Assembly of the Northwest Territories for Great Slave |
| Term Start: | October 1, 2007 |
| Term End: | September 2, 2019 |
| Predecessor: | Bill Braden |
| Successor: | Katrina Nokleby |
| Party: | non-partisan consensus government |
Glen Abernethy (born 1971[1]) is a territorial level politician from Northwest Territories, Canada.
Abernethy ran as a candidate in the Great Slave electoral district in the 2007 Northwest Territories general election. He defeated four other candidates winning the district with 43% of the popular vote to earn his first term in office.[2] He represented the district until the 2019 Northwest Territories general election, when he retired from politics and did not stand for reelection.