Tom Thoresen (born 16 May 1947 in Glemmen) is a Norwegian politician for the Labour Party.
He was elected to the Norwegian Parliament from Østfold in 1977, and was re-elected on five occasions.
On the local level Thoresen was a member of Fredrikstad city council from 1971 to 1987.
Outside politics he graduated as candidatus philologiae in 1974 and worked one year as a high school teacher.
In 2002 he was appointed director of Statens Medieforvaltning, which was merged with other institutions in 2005 to become the Norwegian Media Authority.