Keatinge is a surname. Notable people with the surname include:
Cadogan Keatinge (1720–1799), Anglican priest in Ireland Edgar Keatinge (1905–1998), English farmer, soldier and Conservative Party politician Joe Keatinge (born 1982), American comic book writer and editor John Keatinge (1769–1817), Irish Anglican priest Maurice Keatinge (c.1761–1835), Irish landowner, soldier and politician Paffard Keatinge-Clay (1926–2023), British-born architect Richard Harte Keatinge (1825–1904), Irish Lieutenant General and Victoria Cross recipient William Keatinge (1869–1934), English Catholic prelate