Corseul
Corseul 
    Kersaout  | |
|---|---|
Roman ruins  | |
Location of Corseul  | |
| Coordinates: 48°28′57″N 2°10′08″W / 48.4825°N 2.1689°W | |
| Country | France | 
| Region | Brittany | 
| Department | Côtes-d'Armor | 
| Arrondissement | Dinan | 
| Canton | Plancoët | 
| Intercommunality | Dinan Agglomération | 
| Government | |
| • Mayor (2020–2026) | Alain Jan | 
Area 1  | 41.74 km2 (16.12 sq mi) | 
| Population  (2022)  | 2,270 | 
| • Density | 54/km2 (140/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 22048 /22130  | 
| Elevation | 13–126 m (43–413 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Corseul (French pronunciation: [kɔʁsœl]; Breton: Kersaout; Gallo: Corsoeut) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
The town was a major Roman town and contains Roman ruins. The town hall contains a small archaeological museum.