Thomas Breen (born 13 September 1972) is a Norwegian politician for the Labour Party. He represented Hedmark in the Norwegian Parliament from 2009 to 2013, where he was elected to deputise for Knut Storberget, who was appointed to a government position. He previously served as a deputy representative from 2005 to 2009, during which he deputised for Storberget.
Breen was the Labour Party's nominee for county mayor in the 2023 local elections. He became county mayor of Innlandet following the election in a coalition consisting of the Labour, Conservative and Green Party, with the Conservatives' Hanne Velure as deputy county mayor.[1]