Pwll-Mawr is a suburban area in Cardiff, Cardiff
- Built-Up Area: Cardiff
- Parish/Community: Rumney
- Unitary Authority: Cardiff
- Region: Wales
- Category: Populated Place
- Type: Suburban Area
- Latitude/Longitude: 51°30'0"N 3°7'4"W
- Eastings/Northings: 322500, 178500
- OS Grid: ST225785
- Mapcode Local: GBR KYD.T6
- Mapcode Global: VH6F7.XK2C
Location and coordinates are for the approximate centre of Pwll-Mawr within this administrative area.
Geographic features and populated places may cross administrative borders.