John Lomas may refer to:
John Lomas (trade unionist) (1848–1933), New Zealand coalminer, trade unionist and public servant John Lomas (cricketer) (1917–1945), English cricketer John Lomas (RAF officer) (1920–2019), RAF intelligence officer John Lomas (bishop) (born 1958), Bishop of Swansea and Brecon John Lomas (martyr), one of the Canterbury Martyrs