Roger Ryberg (born 16 April 1952) is a Norwegian politician for the Labour Party.
Following the 2007 election, Ryberg became the new county mayor (fylkesordfører) of Buskerud. Behind him was a coalition of the Labour Party, the Socialist Left Party, the Centre Party and the Liberal Party, who kept the right-wing candidate Mette Lund Stake at bay with 22 versus 21 votes in the county council. Before being elected county mayor, Ryberg had been mayor of Hurum municipality. He also served as a deputy representative to the Norwegian Parliament from Buskerud during the term 1989–1993.
He resides at Filtvet.