Nairn is a surname. Notable people with the surname include:
Allan Nairn (b. 1956), American investigative journalistGary Nairn (b. 1951), former Australian politicianIan Nairn (1930–1983), British architectural criticJames Nairn (1859–1904), Scottish painterKristian Nairn (b. 1975), an actor and disc jockeyNick Nairn (b. 1959), Scottish celebrity chefRob Nairn, South African Buddhist teacher and authorTara Spencer-Nairn (b. 1978), Canadian actressThomas McIntyre Nairn (1830–1888), Ontario businessman and political figureTom Nairn (b. 1932), Scottish theorist of nationalismWalter Nairn (1878–1958), Australian politician