Finn Kristian Marthinsen

Finn Kristian Marthinsen (born 17 January 1946 in Brunlanes) is a Norwegian politician for the Christian Democratic Party.

He was member of the Norwegian Parliament from Buskerud for two terms in 1997–2005. He was re-elected on one occasion.

Marthinsen was a member of Drammen municipality council from 1999 to 2003.