John Lang may refer to:

Sports

• John Lang (footballer, born 1881) (1881–1934), Scottish footballer
• John Lang (footballer, born 1908), Scottish footballer
• John Lang (Australian rugby league) (born 1950), Australian rugby league player and coach
• John Lang (New Zealand rugby league) (1896–1971), New Zealand rugby league player

Musicians

• John Lang (American musician) (born 1952), lyric writer for Mr. Mister and member of the band Djinn
• John Lang (Rough Trade), Canadian musician with the band Rough Trade
• Jonny Lang (born 1981), American blues and gospel musician

Clergy

• John Dunmore Lang (1799–1878), Presbyterian clergyman and early advocate of Australian republicanism
• John Marshall Lang CVO (1834–1909), Church of Scotland minister and author
• John Lang (priest) (1927–2012), Anglican Dean of Lichfield

Writers

• John Marshall Lang CVO (1834–1909), Church of Scotland minister and author
• John Lang (writer) (1816–1864), said to be the first Australian-born novelist
• John Lang (1972-Now), French writer, author of The Dungeon of Naheulbeuk
• John Lang (American musician) (born 1952), lyric writer for Mr. Mister and member of the band Djinn

Military

• John Lang (sailor) (1794–?), sailor in the United States Navy
• John H. Lang (1899–1970), American who served with the Canadian Army and the United States Navy
• Sir John Lang (1896–1984), British civil servant and Royal Artilleryman

Others

• John Lang (Canadian politician) (1839–1921), former member of the Canadian House of Commons
• Johnny Lang, historic Joshua Tree National Park cattle rancher and gold miner

See also

• Jack Lang (disambiguation)
• John Lange (disambiguation)
• John Laing (disambiguation)