Robert B. Williamson (1899 – December 27, 1976) was a Maine judge.
In 1949, Williamson was appointed by Governor Frederick G. Payne to serve as a Justice of the Maine Supreme Judicial Court.
In 1956, Governor Edmund Muskie appointed Williamson Chief Justice of the court until his retirement in 1970.
The papers are kept at the Raymond H. Fogler Library in Orono.
This biography of a state judge in Maine is a stub.