McNichol is a surname. Notable people with the surname include:
Brendon McNichol (born 1966), lap-steel/guitar player, played with various bandsDoug McNichol (born 1930), former professional Canadian football playerDuncan McNichol (born 1876), Scottish footballerJimmy McNichol (born 1961), former child star and brother of Kristy McNicholJohn McNichol (born 1925), former footballerKristy McNichol (born 1962), former American actress and sister of Jimmy McNicholLes McNichol (1932–2013), New Zealand rugby league player