Richard Thomas Guilfoyle (December 22, 1892 – June 10, 1957) was the third Roman Catholic Bishop of Altoona. He was born near Punxsutawney, Pennsylvania, and studied at St. Bonaventure College in Olean, New York. He was ordained to the priesthood on June 2, 1917. He then served as a curate at St. Stephen Church in Oil City until 1921, when he became secretary to Bishop John Mark Gannon. He also served as pastor of St. Peter's Cathedral and chancellor of the Diocese of Erie.
On August 8, 1936, he was appointed Bishop of Altoona by Pope Pius XI. He received his episcopal consecration on the following November 30 from Archbishop John Mark Gannon, assisted by Archbishop Thomas Walsh and Bishop Francis Joseph Tief. He later died at age 64.
| Preceded by John Joseph McCort |
Bishop of Altoona 1936–1957 |
Succeeded by Howard Joseph Carroll |