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.

[4] The community includes the villages of Govilon, Llanwenarth, Llanellen and Llanfoist itself.

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.

This article relating to a location in Monmouthshire is a stub.