Diderik Hegermann (6 December 1763 – 7 February 1835) was a military officer and government minister of Norway.
[4] Diderik Hegermann represented the Oppland infantry Regiment (Oplandske Infanterie Regement) at the Norwegian Constitutional Assembly at Eidsvold in 1814.
He served on the Norwegian Councilor of State of the 6th Ministry (war administration) in 1814 and 1814–1815 and Minister of the Army 1815–1816.
[5] [6][7] He was married in 1815 to Hanne Christine Susanne Nideros (1779-1858), widow of Daniel Isaachsen Willoch who had died in 1813.
Following his retirement, he entered the lumber business, operating sawmills and a shipyard at Tveit in Vest-Agder .