David Cummings may refer to:

• David Cummings (musician), British musician and scriptwriter
• Dave Cummings (1940–2019), American porn star
• Dave Cummings (entrepreneur), owner and founder of Tradebot and BATS Global Markets
• David Cummings (wrestler) (1948–1985), Canadian Olympic wrestler
• D. C. Cummings (1861–1942), British trade unionist
• David Cummings (athlete) (1894–1987), British athlete
• David C. Cummings Jr. (1861–1913), member of the Virginia Senate