Jack Lang

Jack Lang may refer to:
 * Jack Lang (French politician) (born 1939), French social democratic politician
 * Jack Lang (Australian politician) (1876–1975), twice Premier of New South Wales
 * Jack Lang (American football), former American football player
 * Jack Lang (sportswriter) (1921–2007), American sportswriter
 * Jack Lang, co-founder of the Raspberry Pi Foundation