| Saint-Léon-de-Standon | |
| Settlement Type: | Parish municipality |
| Pushpin Map: | Canada Southern Quebec |
| Pushpin Map Caption: | Location in province of Quebec |
| Coordinates: | 46.4833°N -107°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Chaudière-Appalaches |
| Subdivision Type3: | RCM |
| Subdivision Name3: | Bellechasse |
| Established Title1: | Constituted |
| Established Date1: | January 1, 1874 |
| Leader Title: | Mayor |
| Leader Name: | Bernard Morin |
| Leader Title1: | Fed. riding |
| Leader Name1: | Lévis—Bellechasse |
| Leader Title2: | Prov. riding |
| Leader Name2: | Bellechasse |
| Area Total Km2: | 136.20 |
| Area Land Km2: | 136.88 |
| Area Note: | There is an apparent contradiction between two authoritative sources |
| Population Total: | 1042 |
| Population As Of: | 2021 |
| Population Density Km2: | 7.6 |
| Population Blank1 Title: | Pop 2016-2021 |
| Population Blank1: | 7.5% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 678 |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Postal Code Type: | Postal code(s) |
| Postal Code: | G0R 4L0 |
| Area Code: | 418 and 581 |
| Blank Name: | Highways |
Saint-Léon-de-Standon is a parish municipality of about 1,000 people in the Bellechasse Regional County Municipality in the Chaudière-Appalaches region of Quebec. The Etchemin River goes through the municipality.
In the 2021 Census of Population conducted by Statistics Canada, Saint-Léon-de-Standon had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 136.88km2, it had a population density of in 2021.[1]