David Lang

David Lang may refer to:

• David Lang (Civil War) (1838–1917), American Civil War officer
• David Lang (rugby union) (1852–?), Scottish rugby union player
• David Lang (screenwriter) (1913—2007), screenwriter
• David Marshall Lang (1924–1991), historian
• David Lang (composer) (born 1957), American composer
• David Lang (American football) (1967–2005), American football running back
• David Lång (born 1972), Swedish politician