David Long

David Long may refer to:

• David Long (New Zealand musician), New Zealand musician and composer
• Dave Long (runner) (born 1960), former long-distance runner from Great Britain
• Dave Long (American football) (born 1944), American football defensive lineman
• David Long (defensive back) (born 1998), also called David Long Jr., American football cornerback
• David Long Jr. (linebacker) (born 1996), American football linebacker
• David Long (mandolin player) (born 1975), mandolin player from Nashville, Tennessee
• David C. Long (born 1955), Indiana state senator
• David H. Long (born 1961), American businessman
• David Martin Long (1953–1999), American murderer
• David P. Long (born 1975), American educator and canon lawyer
• David Ryan Long, author