Umingmaktok (Inuinnaqtun: Umingmaktuuq "like a musk ox", or "he or she caught a muskox") is a ghost town on Bathurst Inlet in the Kitikmeot of the Canadian territory of Nunavut. The community was previously known as Bay Chimo.
The area around Umingmaktuuq is said to be rich in wildlife such as the Arctic fox, fur seals, barren-ground caribou, Arctic char and muskox.