Jacob Benjamin Wegner (9 December 1868 in Christiania – 31 August 1949)[1][2] was a Norwegian civil servant and lawyer, who served as district judge, magistrate, chief of police (corresponding to chief constable) of Helgeland and Rogaland, and governor of Romsdal.
He was a son of the timber merchant Heinrich Benjamin Wegner and Henriette Frederikke Vibe i Oslo, and a grandson of the industrialist Benjamin Wegner and of the classical philologist Frederik Ludvig Vibe.
He was the father of judge and chief of police Rolf Benjamin Wegner and the grandfather of chief of police Rolf Benjamin Wegner.
Following his examen artium university entrance exam, he graduated with the cand.jur.
From 1895 he held a number of offices in an acting capacity; he was district judge in Brevik for one year, district judge in Porsgrunn for half a year and chief of police and magistrate of Bodø from 1897.