Peter G. Callas (February 15, 1926 – December 30, 2022) an American politician and educator.

[2] His dissertation at George Washington University was titled "A Descriptive Analysis of Appalachian Voluntary Regional Educational Service Agencies".

[5] Callas served in the U.S. Navy in the South West Pacific theatre of World War II from 1944 to 1946.

[2][5] Callas served in the Maryland House of Delegates, representing District 2B from 1983 to 1994.

[9] In 2008, Callas established a scholarship fund at McDaniel College, in the name of him and his wife.