Ker is a surname. Notable people with the surname include:
Allan Ebenezer Ker (1883–1958), Scottish army officer and recipient of the Victoria CrossKer Chien-ming (1951–), Taiwanese politicianCrawford Ker (1962–), American football playerDavid Ker (1758–1805), Scottish-Irish-American first residing professor of the University of North CarolinaDavid Stewart Ker (1816–1878), Irish landowner and politicianDavid Ker (1842–1914), London Daily Herald war correspondent and tutor in Russia featured by Harvey Pitcher; later, American children's writer and NY Times world correspondentGeorge Ker (fl. 1870s and 1880s), Scottish footballerHumphrey Ker (1982–), British actor, writer and comedianJohn Ker (disambiguation)Lucas Arnold Ker (1974–), Argentinian tennis playerNeil Ripley Ker (1908–1982), scholar of Anglo-Saxon literatureRichard Ker (1822–1890), British politicianRobert Ker (disambiguation)William Ker (disambiguation)