John Crichton

John Crichton may refer to:


 * John Crichton (designer) (1917–1993), New Zealand furniture and interior designer
 * John Crichton (Farscape), a character on the TV series Farscape
 * John Crichton, 3rd Earl Erne (1802–1885), Anglo-Irish peer and politician
 * John Crichton, 4th Earl Erne (1839–1914), Anglo-Irish peer and politician
 * John Crichton, 5th Earl Erne (1907–1940), Anglo-Irish peer, soldier and politician
 * Johnny Crichton (born 1925), Scottish footballer
 * John Michael Crichton (1942–2008), American author, director and screenwriter