title: David Gregg
text: # David Gregg
  
  David Gregg may refer to:
  
  * David Gregg (minister) (1846–1919), American minister and author
  * David L. Gregg (1819–1868), American diplomat and politician
  * David McMurtrie Gregg (1833–1916), farmer, diplomat and Union cavalry general in the American Civil War
  * David Paul Gregg (1923–2001), inventor of the optical disc
  * David Gregg (1767-1828), great-grandfather of president Harry S. Truman
  