David Jennings may refer to:
- Dave Jennings (American football) (1952–2013), former American football punter and broadcaster
- David Jennings (State Representative) (1835–1906), Wisconsin State Representative
- David Jennings (bishop) (born 1944), English churchman
- David Jennings (composer) (born 1972), British composer
- David Jennings (congressman) (1787–1834), United States Representative from Ohio
- David Jennings (cricketer) (1889–1918), English cricketer who died during the First World War
- David Jennings (tutor) (1691–1762), English dissenting tutor
- David M. Jennings (born 1948), former Speaker of the Minnesota House of Representatives
- David V. Jennings (1887–1970), Wisconsin state senator