Marvin B. "Marv" Hanson (December 12, 1943 – February 29, 2004) was a farmer and politician.

From Hallock, Minnesota, Hanson received his bachelor's degree from the University of Minnesota and his law degree from Columbia Law School. He had served in the United States Peace Corps. Hanson served in the Minnesota Senate as a Democrat from 1977 to 1982. Hanson attended Red River Lutheran Church near Hallock. He died from a heart attack at his home in Kennedy, Minnesota.^[1]