- Source: Trewern (disambiguation)
Trewern is a village in Powys, Wales.
Trewern may also refer to:
Trewern Hall or Trewern Farmhouse, a country house in Montgomeryshire, Wales
Trewern House, one of the Grade II* listed buildings in Powys, Wales
Trewern Mansion, in the village Llanddewi Velfrey, Pembrokeshire, Wales
See also
E. P. Trewern (1895-1959), architect
Trewen, a hamlet and a civil parish in east Cornwall, England