Bang is a Scandinavian surname as well as a Korean surname. The Scandinavian surname is derived from the Old Norse banga which means to pound or hammer. The Korean surname is cognate to the Chinese surname Fāng (方). Notable people with the surname include:
Korean origin
- Andrea Bang (born 1989), Canadian actress
- Bang Chan (born 1997), Australian singer, leader of boy band Stray Kids
- Bang Cheol-yong (stage name Mir, born 1991), South Korean rapper and singer, member of boy band MBLAQ
- Pang Chol-mi (born 1994), North Korean boxer
- Bang Dae-du (born 1954), South Korean retired wrestler
- Bang Dae-jong (born 1985), South Korean footballer
- Diana Bang (born 1981), Canadian actress and writer
- Bang Geul-yi (born 1987), South Korean television director
- Bang Eun-hee (born 1967), South Korean actress
- Bang Eun-jin (born 1965), South Korean actress and film director
- Bang Eun-jung (born 1992), South Korean actress
- Bang Hai Ja (1937–2022), South Korean-born painter and artist
- Pang Hak-se (1914–1992), North Korean politician
- Pang Ho-san (1916–1959), North Korean military officer
- Bang Hyeon-seok (born 1961), South Korean writer
- Bang Hyo-jin (stage name Go Eun-ah, born 1988), South Korean actress
- Bang Hyo-mun (born 1965), South Korean weightlifter
- Bang Hyun-joo (born 1966), South Korean sport shooter
- Bang Jae-min (born 1999), South Korean actor and rapper
- Bang Jun-seok (1970–2022), South Korean film score composer and music director
- Bang Min-ah (born 1993), South Korean singer and actress, member of girl group Girl's Day
- Ryan Bang (born 1991), South Korean entertainer
- Bang Seong-joon (born 1973), South Korean voice actor
- Bang Seung-hwan (born 1983), South Korean footballer
- Bang Si-hyuk (born 1972), South Korean songwriter, producer, and record executive
- Bang Soo-hyun (born 1972), South Korean former badminton player
- Bang Sung-hoon (born 1983), South Korean actor and model
- Bang Sung-hyeon (better known as JJonak, born c. 1999), South Korean professional esports player
- Bang Sung-joon (born 1990), South Korean actor and model
- Bang Ye-dam (born 2002), South Korean singer, former member of boy band Treasure
- Bang Ye-rin (stage name Seol In-ah, born 1996), South Korean actress
- Bang Yeol (born 1941), South Korean former basketball player
- Bang Yong-guk (born 1990), South Korean rapper, leader of boy band B.A.P
- Bang Young-ung (1942–2022), South Korean novelist
- Bang Yu-jeong (stage name May, born 1982), South Korean singer
Scandinavian origin
- Anton Christian Bang (1840–1913), Norwegian theologian, historian and politician
- Arne Bang-Hansen (1911–1990), Norwegian actor
- Bernhard Bang (1848–1932), Danish veterinarian
- Betsy Bang (1912–2003), American biologist, scientific and medical illustrator
- Claes Bang (born 1967), Danish actor and musician
- Elisabeth Bang (1922–2009), Norwegian actress
- Fred Bang (1916–1981), American scientist
- Herman Bang (1857–1912), Danish journalist and author
- Kjetil Bang-Hansen (born 1940), Norwegian actor and theatre director
- Molly Bang (born 1943), American illustrator
- Nina Bang (1866–1928), Danish politician and historian
- Odd Bang-Hansen (1908–1984), Norwegian educator, journalist and author
- Otto T. Bang (1931–2008), American businessman and politician
- Pål Bang-Hansen (1937–2010), Norwegian actor
- Peter Bang (1900–1957), Danish engineer and entrepreneur
- Peter Fibiger Bang (born 1973), Danish historian
- Peter Georg Bang (1797–1861), Danish politician and jurist
- Thomas Bang (born 1938), Danish sculptor