David Mercer

David Mercer may refer to:
 * Sir David Mercer (Royal Marines officer) (1864–1920), British Royal Marines officer
 * David Mercer (footballer, born 1893) (1893–1950), England international footballer
 * David Mercer (footballer, born 1918) (1918–1986), English footballer
 * David Mercer (playwright) (1928–1980), English dramatist
 * David Henry Mercer (1857–1919), U.S. Representative from Nebraska
 * David Mercer (broadcaster) (1950–2020), British sports presenter
 * David Mercer (weightlifter) (born 1961), British Olympic weightlifter
 * David Mercer (cricketer) (born 1962), English cricketer
 * David Mercer (writer) (born 1976), technical writer
 * David Mercer (alpine skier) (born 1960), British former alpine skier
 * David Mercer (racing driver) (born 1949), British former racing driver
 * David Mercer (political commentator) (1961–2021), American Democratic fundraiser and commentator