Dagfinn Henrik Olsen (born 29 June 1966) is a Norwegian politician for the Progress Party.

He served as a deputy representative to the Parliament of Norway from Nordland during the terms 1997–2001, 2013–2017 and 2017–2021. When regular representative Kjell-Børge Freiberg became a cabinet member in August 2018, Olsen took his place as a regular. He assumed a seat in the Standing Committee on Transport and Communications.^[1] Hailing from Lødingen Municipality, he had been elected on local and regional level.^[2]