Lang is a surname of Germanic origin, closely related to Lange, Laing and Long, all of which mean "tall".
"Lang" (Láng) is also a surname in Hungary, a cognate of the Hungarian word for "flame."
Surname
Australian
Gary Lang, choreographer and dancer, director of NT Dance Company
Jack Lang (1876–1975), politician
Jeff Lang (born 1969), songwriter, singer and slide guitarist
John Lang (1816–1864), was said to be the first Australian-born novelist
John Lang (born 1950), coach and former player of rugby league in Australia
John Dunmore Lang (1799–1878), publicist and politician
Martin Lang (rugby league), Australian rugby league player
European
Ádám Lang (born 1993), Hungarian footballer
Adolf Lang (1848–1913), Hungarian-German architect
Andrew Lang (1844–1912), Scottish philologist and translator of folk and fairy tales Anton Lang (1875–1938), German potter and actor Archibald Lang (fl. 1880), Scottish international football player Arnold Lang (1855-1914), Swiss naturalist Belinda Lang (born 1955), English actress Bernhard Lang (born 1957), Austrian composer Cosmo Lang (1864–1945), Archbishop of Canterbury Craig Sellar Lang (1891–1971), British-domiciled organist, music teacher, and composer Czesław Lang (born 1955), Polish road racing cyclist and Tour de Pologne director David Marshall Lang (1924–1991), British historian Don Lang (musician) (1925–1992), English singer Eva Lang (born 1947), German economist Fritz Lang (1890–1976), Austrian film director Gerhard Lang (1924-2016), German botanist Harold Lang (British actor) (1923-1970), British actor Hedi Lang (1931–2004), Swiss politician Hermann Lang (1909–1987), German race car driver Ian Lang (born 1940), Scottish politician István Láng, (1933–2023), Hungarian composer István Lang (born 1933), Hungarian cyclist Ivana Lang (1912–1982), Croatian composer, pianist and piano teacher Jack Lang (born 1939), French politician Josephine Lang (1815–1880), German composer Júlia Láng (born 2003), Hungarian figure skater Julia Lang (actress) (1921–2010), British actress and radio presenter Karel Lang, Czech ice hockey player Karl Georg Herman Lang (1901–1976), Swedish naturalist Karl Nikolaus Lang (1670–1741), Swiss physician and naturalist Kirsty Lang (born 1962), British broadcaster and journalist Klaus Lang (born 1971), Austrian composer Leonora Blanche Lang (1851–1933), English author, editor, and translator Maria Lang, the pen name for Swedish crime novel writer Dagmar Lange (1914–1991) Noa Lang, Dutch soccer player Peter Lang, Swiss publisher; see Peter Lang (publishing company) Prof Peter Redford Scott Lang FRSE (1850–1926) Scottish mathematician Rein Lang (born 1957), Estonian politician Ricarda Lang (born 1994), German politician Rikard Lang (1913–1994), Croatian university professor, lawyer and economist Robert Lang (actor) (1934–2004), English actor Robert Lang (ice hockey) (born 1970), professional ice hockey player Sebastian Lang (born 1979), German professional road cyclist Serge Lang (1927–2005), mathematician and activist Serge Lang (skiing) (1920–1999), French journalist who founded the alpine skiing World Cup Slobodan Lang (1945–2016), Croatian physician and politician Steven Lang (footballer) (born 1987), Swiss football midfielder Thomas Lang (born 1969), musician and drummer Thomas Lang (singer), English singer and songwriter Valérie Lang (1966–2013), French actress Werner Lang (1922–2013), German engineer Zsolt Láng (born 1973), Hungarian politician