Dagfinn Sundsbø (born 11 December 1946) is a Norwegian politician for the Centre Party. He was born in Lindås as a son of farmers. He is the brother of politician Svein Sundsbø. He worked in the Norwegian Agrarian Association from 1980 to 2001 and was the general secretary of the Centre Party from 2001 to 2005. He has also been involved in Nei til EU. In local politics, Sundsbø was a member of Fet municipal council from 1987 to 1991, and of Akershus county council from 1991 to 2005.