Raymond S. Thatcher (January 10, 1903 – October 5, 1988) was an American politician and pharmacist who served a total of six terms as Connecticut State Comptroller between 1946 and 1966.

[1] A Democrat from East Hampton, Thatcher also served in the Connecticut House of Representatives and as a public utilities commissioner during his 40-year-long political career.

[3] In May 1946, Comptroller John M. Dowe died unexpectedly, and the Connecticut General Assembly appointed Thatcher to fill the vacancy effective May 20, 1946.

He ran for a full term but lost the election to Republican nominee Fred R. Zeller and exited office in January 1947.

Governor John Dempsey appointed James J. Casey, a Democrat and former mayor of Winchester, to fill the remaining six months of Thatcher's term.