The 1991 Northwest Territories general election was held on October 15, 1991.
The election was held in 24 constituencies with 16,068 ballots cast, a turnout of 76.25%.
Outgoing Premier Dennis Patterson ran for re-election but was replaced by Nellie Cournoyea, who served out the entire term as the territory's first female Premier.
* - denotes an incumbent running in a new district