Trefor

Trefor may refer to:

Given name Trefor

 * Trefor Evans (born 1947), former Wales international rugby union player
 * Trefor Jenkins (born 1932), 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 (fl. 1989–present), make-up artist in film and television
 * Trefor Pugh (fl. 1962, 1965), former 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 in Wales, UK

 * Trefor, Anglesey, a hamlet
 * Trefor, Gwynedd, a village
 * Trevor, Wrexham, a village called Trefor in Welsh