William Alfred Plourde was an American who was a source of information for Andrey Shevchenko, a Soviet intelligence operative during World War II. Plourde was an engineer who worked at engineer with Bell Aircraft in Buffalo, New York.
William Plourde is referenced in the following Venona project decryption:
- 1151 KGB New York to Moscow, 12 August 1944.
- John Earl Haynes and Harvey Klehr, Venona: Decoding Soviet Espionage in America (New Haven: Yale University Press, 1999).