Niels Fredriksen Dyhren (16 February 1778 – 25 August 1866) was a Norwegian farmer and non-commissioner military officer. He served as a representative at the Norwegian Constitutional Assembly in 1814.
Niels Fredriksen Dyhren was born on the Dyhren farm in Østre Toten in Oppland, Norway. In 1800, he became a soldier with Jegerkorpset-Akershus Regiment and 1801 Corporal in the regimental artillery company. In 1814, he was a member of the Norske Jæger Corps and was a Corporal in Valderske skarpskytterbataillon. His time in service included the period of the Napoleonic Wars (1807-1809 and 1814).
He represented Norske Jæger Corps at the Norwegian Constituent Assembly in 1814 together with Palle Fleischer. At Eidsvoll, he supported the position of the independence party (Selvstendighetspartiet) .