| Lac-Ministuk | |
| Mapsize: | 200px |
| Pushpin Map: | Canada Lac-Saint-Jean Quebec |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Saguenay–Lac-Saint-Jean Quebec. |
| Coordinates: | 48.1°N -90°W |
| Subdivision Type: | Country |
| Established Title1: | Constituted |
| Established Date1: | February 18, 2002 |
| Government Footnotes: | [1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 1495.40 |
| Area Land Km2: | 1478.79 |
| Population Total: | 58 |
| Population As Of: | 2021 |
| Population Density Km2: | 0.0 |
| Population Blank1 Title: | Pop (2016–21) |
| Population Blank1: | N/A |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 23 |
| Utc Offset: | −5 |
| Utc Offset Dst: | −4 |
| Utc Offset1: | -5 |
| Utc Offset1 Dst: | -4 |
Lac-Ministuk is an unorganized territory in the Canadian province of Quebec, located in the regional county municipality of Le Fjord-du-Saguenay. The territory has a land area of 1,478 km2.