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