Edgar Raymond Kiess (August 26, 1875 – July 20, 1930) was a Republican member of the U.S. House of Representatives from Pennsylvania.

He graduated from the Lycoming County Normal School in Muncy, Pennsylvania, in 1892.

He became engaged in the newspaper publishing business in Hughesville, Pennsylvania, in 1894.

Kiess was elected as a Republican to the Sixty-third and to the eight succeeding Congresses and served until his death at his summer home at Eagles Mere, Pennsylvania in 1930.

He served as chairman of the House Committee on Insular Affairs, which had jurisdiction over United States territories such as Puerto Rico and the Philippines, during the Sixty-ninth through Seventy-first Congresses.