Mackenzie Delta is a territorial electoral district for the Legislative Assembly of the Northwest Territories, Canada. The district consists of Aklavik, Fort McPherson and Tsiigehtchic.
The district was created when Mackenzie West was split into this district and Mackenzie River. In its first incarnation after redistribution in 1954 it covered the communities of Paulatuk, Stanton, Tuktoyaktuk, Reindeer Depot, Aklavik, Fort McPherson, Arctic Red River (Tsiigehtchic), Fort Good Hope and East Branch. The district was abolished for the first time in 1975 and recreated again in 1979.
^ a: In the 2007 election, percentages assigned to candidates were based on the total votes cast. In prior elections the percentages were based on the valid votes.