Robert Porter Patterson Sr. was an American judge who served as Under Secretary of War under President Franklin D. Roosevelt and U.S. Secretary of War under President Harry S. Truman. He was a US circuit judge of the United States Court of Appeals for the Second Circuit after he had been a district judge of the United States District Court for the Southern District of New York.
- Occupation
- lawyer, judge, politician, jurist
- Position held
- Judge of the United States Court of Appeals for the Second Circuit, United States Secretary of War
- Citizenship
- United States
- Born
- February 12, 1891
