Jens Stub (3 March 1764 – 24 October 1819) was a Norwegian priest and politician.
He was the son of district stipendiary magistrate (sorenskriver) Johan Daniel Stub (1736–1802) and grandson of Lauritz Stub (1708-1774), both of whom served as judges in Bergen. He grew up in Eid in the county of Sogn og Fjordane, Norway. His brother was Gerhard Heiberg Stub (1781-1831), a merchant in Bergen. In August 1793 he married his cousin Gjertrud Helene Heiberg (1774–1852) in Talvik.