Trefor may refer to:
People
Given name Trefor Trefor Evans (rugby union) (born 1947), former Wales international rugby union player Trefor Jenkins (1932–2025), Welsh-born South African human geneticist Trefor Richard Morgan (1914–1970), Welsh nationalist activist and businessman Trefor Morris (born 1934), Chief Inspector of Constabulary for England, Wales and Northern Ireland from 1993 to 1996 Trefor Owen (1933–2001), Welsh amateur footballer Trefor Proud (), make-up artist in film and television Trefor Pugh (), New Zealand international footballer
Surname Trefor Dafydd Trefor (died 1528?), Welsh cleric and bard John Trefor, British television director and producer John Trevor (died 1357), Ieuan Trefor in Welsh, first bishop of St Asaph, Wales John Trevor (died 1410), Ieuan Trefor in Welsh, Bishop of St Asaph, Wales, and Anti-Bishop of St Andrews in Scotland
Places
Places in Wales, UK Trefor, Anglesey, a hamlet Trefor, Gwynedd, a village Trevor, Wrexham, a village called Trefor in Welsh
See also
Trevor (disambiguation) Trevorrow Trev