Trefeglwys is a village in north Powys, Mid Wales, within the traditional county of Montgomeryshire.
The name derives from the Welsh language Tref 'township' and Eglwys 'church'. The village sits on the Afon Trannon. There are many amenities in the village including public house, garage, parish church, Nonconformist chapel, primary school, village hall and children's playground.
Historically, the parish of Trefeglwys includes the townships of Bodaioch, Maestrefgomer, Esgeirieth and Dolgwden, whilst a rural area the parish of Trefeglwys is about 8 miles long by 3 miles wide.
Notable people born in Trefeglwys
- 2012 Rally America Champion Driver David Higgins.
- 2003 World Rally champion Co-driver Phil Mills (1963- ).
- Rev Dr John Breynton, DD (CIR 1730-1799) - rector of Halifax, Nova Scotia
- Rev Evan Pugh of Rhiwi 1762-1830 Vicar1762 - 1830 - Eqlwys Fach - married Anne Owen of Trefeglwys 1786-1869 - Child Evan Pugh 1874 who married Margaet Parry de Heveningham -