David Wemyss

David Wemyss may refer to:


 * David Wemyss (died 1332), Scottish noble
 * David Wemyss, 2nd Earl of Wemyss (1610–1679), army officer
 * David Wemyss, 4th Earl of Wemyss (1678–1720), Scottish peer and Member of Parliament
 * David Wemyss, Lord Elcho (1721–1787), Scottish peer and Jacobite army officer
 * David Douglas Wemyss (1760–1839), British Army officer