Llangwm may refer to one of several places in Wales:
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Llangwm, Conwy
Llangwm is a village and community in Conwy County Borough, in Wales. It is located in the valley of the Afon Medrad, close to the borders with Denbighshire and Gwynedd, south of Cerrigydrudion, west of Corwen and south east of Conwy. At ...
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Llangwm, Monmouthshire
Llangwm () is a small rural village and former community, now in the community of Llantrisant Fawr, in Monmouthshire, south east Wales. It is located east of Usk, on the B4235 Chepstow to Usk road. The main village is at Llangwm Uchaf ("Upper ...
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Llangwm, Pembrokeshire
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