Charles Hay

Charles Hay may refer to:
 * Charles Hay, 13th Earl of Erroll (1677–1717), Scottish peer
 * Lord Charles Hay (c. 1700–1760), British Army general and politician
 * Charles Craufurd Hay (1809–1873), British Army officer
 * Charles Hay (politician) (1843–1924), Scottish-born politician in Manitoba, Canada
 * Charles Hay, 20th Earl of Erroll (1852–1927), Scottish soldier and Conservative politician
 * Charles Hay (ice hockey) (1902–1973), Canadian ice hockey player, organizer, and administrator
 * Charles Hay, 16th Earl of Kinnoull (born 1962), Scottish earl
 * Charles Hay (diplomat), British diplomat