Robert A. Johnson (South Dakota politician)

Robert A. Johnson (September 29, 1921 – December 11, 2014) was an American politician in the state of South Dakota. He was a member of the South Dakota State Senate. Born in Chicago, Illinois, Johnson grew up on a farm in Groton, South Dakota. He was an alumnus of South Dakota State University and was a farmer and insurance agent. He died on December 11, 2014.