John Lomax (1867–1948) was an American teacher, musicologist and folklorist.
John Lomax may also refer to: John Lomax Jr. (1907–1974), folklorist, performer, and land developer John Lomax (rugby league) (born 1966), New Zealand rugby league player John Tayloe Lomax (1781–1862), American jurist Jackie Lomax (John Richard Lomax, 1944–2013), English guitarist and singer-songwriter John Lomax (diplomat) (1896–1987), British diplomat
See also Jack Lomax (disambiguation)