Jens Aars (1 October 1779 – 27 March 1834) was a Norwegian priest and Member of Parliament. Jens Aars was born in Christiania (now Oslo, Norway). He was the son of district stipendiary magistrate Jacob Aars (1736–1807), who had migrated to Norway from Aars, Denmark in 1757. He was a student at Christiania Latin School and earning his theological degree with honors in 1801. In 1804 he became assistant pastorat Rødøy Church, in 1806 substitute priest in Enebakk in Akershus and in 1817 vicar to Hadsel in Nordland. He was transferred to Lier in Buskerud in August 1821.