Harenc is a surname. Notable people of surname include
Archibald Harenc (1821–1884), English cricketer Charles Harenc (1811–1877), English cricketer Edward Harenc (1814–1853), English clergyman and cricketer Geoffroy Harenc, abbot of Bec Abbey
See also
Orgueilleuse of Harenc, first wife of Bohemond III of Antioch