Arne Rostad (4 March 1894 – 21 June 1969) was a Norwegian politician for the Farmers' Party.
He was elected to the Norwegian Parliament from Oppland in 1945, but he was not re-elected in 1949.
Born in Verdal, Rostad was a member of Vardal municipal council from 1925 to 1940.
Outside politics he worked as a farmer. He was declared Knight of the Order of St. Olav in 1964.