David or Dave Allen may refer to:

• Dave Allen (comedian) (1936–2005), Irish comedian
• David W. Allen (1944–1999), American film and television stop-motion animator
• David Allen (special effects artist), American 1940s special effects artist
• Dave Allen (actor) (born 1958), American television and film actor
• David Allen, creator of BBC TV series Micro Live, 1980s

• Daevid Allen (1938–2015), Australian guitarist, founder of progressive rock bands Soft Machine and Gong, 1960s
• Rockin' Dave Allen (1941–1985), American blues guitarist and singer
• Dave Allen (born 1952), flautist in Australian rock band Flake and Galadriel
• Dave Allen (English musician) (born 1955), bassist for 1970s rock band Gang of Four
• David M. Allen (born 1953), British record producer
• David Clark Allen, singer and founder of rock band Carmen, 1970s
• Dave Allen (died 1986), guitarist and vocalist for punk band NOFX, 1990s and 2000s
• Dave Allen, American bassist for rock band Glassjaw, 1990s and 2000s
• Dave Allen, lead singer and guitarist for Irish rock band Hal, 2000s

• David Allen (baseball) (1858–1931), American baseball player
• David Allen (cricketer) (1935–2014), Gloucestershire cricketer
• David Rayvern Allen (1938–2014), cricket writer and historian
• David Allen (canoeist) (born 1943), British slalom canoeist
• David Allen (American football) (born 1978), American football running back
• Dave Allen (rugby league), rugby league pro footballer during 1980s
• David Allen (rugby union) (born 1981), English rugby union player
• David Allen (rugby league) (born 1985), Irish rugby league footballer of the 1980s
• Dave Allen (football executive) (born 1942), British sports businessman
• David Allen (boxer) (born 1992), British boxer

• David Allen (playwright) (born 1936), Australian playwright
• David Allen (game designer) (born 1972), video game designer

• David Oliver Allen (1800–1863), American missionary
• William Edward David Allen (1901–1973), Irish-born English scholar, politician, and businessman
• David Allen (politician) (1937–2011), Irish politician
• David Allen (Royal Navy officer) (1933–1994), British Royal Navy officer, Defence Services Secretary 1988–1991
• David Allen (botanist) (1939–2023), British botanist working on East African legumes and UK conservation
• David Allen (author) (born 1945), productivity trainer and consultant

• Scott-David Allen (born 1973), American musician
• David Allan (disambiguation)
• Allen (surname)
• David Allyn (born 1969), American author, educator, and consultant to nonprofit organizations

This disambiguation page lists articles about people with the same name.
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