| La Nouvelle-Beauce | |
| Settlement Type: | Regional county municipality |
| Coordinates: | 46.45°N -73°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Chaudière-Appalaches |
| Established Title: | Effective |
| Established Date: | January 1, 1982 |
| Seat Type: | County seat |
| Seat: | Sainte-Marie |
| Government Type: | Prefecture |
| Leader Title: | Prefect |
| Leader Name: | Richard Lehoux |
| Area Total Km2: | 911.80 |
| Area Land Km2: | 905.58 |
| Population Total: | 36,785 |
| Population As Of: | 2016 |
| Population Density Km2: | 40.6 |
| Population Blank1 Title: | Change 2011-2016 |
| Population Blank1: | 4.8% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 15,501 |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Postal Code Type: | Postal code(s) |
| Area Code: | 418 and 581 |
La Nouvelle-Beauce (New Beauce) is a regional county municipality in the Chaudière-Appalaches region in southeastern Quebec, Canada, south of the Saint Lawrence River. It is located south of Lévis, along the Chaudière River.
Established in 1982 as a successor to Dorchester County, La Nouvelle-Beauce is made of 11 municipalities and is mainly French-speaking (99.2% French-speaking in 2006) and rural. Sainte-Marie, the county seat, is the most populous municipality.
The name of La Nouvelle-Beauce reminds the one given to the area along the Chaudière River by the French authorities until the end of the French Regime in North America.
There are 11 subdivisions within the RCM:
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[1]