| Country: | Wales |
| Official Name: | Llanfoist Fawr |
| Static Image: | Llanfoist Church, St Faith Monmouthshire.JPG |
| Coordinates: | 51.8135°N -3.0321°W |
| Cardiff Distance Mi: | 23.8 |
| Cardiff Distance Km: | 38.3 |
| London Distance Mi: | 126.3 |
| London Distance Km: | 203.2 |
| Unitary Wales: | Monmouthshire |
| Community Wales: | Llanfoist Fawr |
| Post Town: | Abergavenny |
| Postcode District: | NP7 |
| Postcode Area: | NP7 9 |
| Dial Code: | 01495 |
| Os Grid Reference: | SO 2895 1327 |
| Population: | 3315 |
| Population Ref: | (2011)[1] |
Llanfoist Fawr (Welsh: Llan-ffwyst Fawr) is a community in the county of Monmouthshire, Wales, and is located 23.8 miles (38.3 km) from Cardiff and 126.3 miles (203.2 km) from London.[2] [3] In 2011 the population of Llanfoist Fawr was 3217 with 10.2% of them able to speak Welsh.[4]
The community includes the villages of Govilon, Llanwenarth, Llanellen and Llanfoist itself. The name of the local school is also Llanfoist Fawr.
Llanfoist Fawr is also the name of a county electoral ward, which elects a county councillor to Monmouthshire County Council. The county ward includes part of the Llanfoist Fawr community, namely the community wards of Llanfoist, Llanellen and Llanwenarth Citra.[5] The Llanwenarth Ultra ward (covering Govilon) elects its own county councillor. All four community wards elect or co-opt up to twelve community councillors to Llanfoist Fawr Community Council.[6]