| Lac-Casault | |
| Pushpin Map: | Canada Eastern Quebec |
| Pushpin Map Caption: | Location in eastern Quebec. |
| Coordinates: | 48.5°N -76°W |
| Subdivision Type: | Country |
| Established Title1: | Constituted |
| Established Date1: | unspecified |
| Government Footnotes: | [1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 1423.00 |
| Area Land Km2: | 1428.21 |
| Area Note: | There is an apparent contradiction between two authoritative sources |
| Population Total: | 30 |
| Population Density Km2: | 0.0 |
| Population Blank1 Title: | Pop 2016-2021 |
| Population Blank1: | N/A |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 142 |
| Utc Offset: | −5 |
| Utc Offset Dst: | −4 |
| Utc Offset1: | -5 |
| Utc Offset1 Dst: | -4 |
| Blank Name: | Highways |
Lac-Casault is an unorganized territory in the Bas-Saint-Laurent region of Quebec, Canada.
The small eponymous Lake Casault is located near the village of St-Alexandre-des-Lacs and was named in honour of Louis-Napoléon Casault (1823–1908).[3]
Population trend:[4]
Private dwellings occupied by usual residents: 24 (total dwellings: 142)