David Mercer
David Mercer may refer to:
- Sir David Mercer (Royal Marines officer) , British Royal Marines officer
- David Mercer (footballer, [born 1893)], England international footballer
- David Mercer (footballer, born 1918), English footballer
- David Mercer (playwright), English dramatist
- David [Henry Mercer], U.S. Representative from Nebraska
- David Mercer (broadcaster), British sports presenter
- David Mercer (weightlifter), British Olympic weightlifter
- David Mercer (cricketer), English cricketer
- David Mercer (writer), technical writer
- David Mercer (alpine skier), British former alpine skier
- David Mercer (racing driver), British former racing driver
- David Mercer (political commentator), American Democratic fundraiser and commentator