Peter Anthony DeFazio (/dɪˈfɑːzioʊ/; born May 27, 1947) is an American politician serving as the U.S. representative for Oregon's 4th congressional district, serving since 1987. He is a member of the Democratic Party. The district includes Eugene, Springfield, Corvallis, Roseburg, Coos Bay and Florence. He chairs the House Transportation Committee and is a founder of the Congressional Progressive Caucus. A native of Massachusetts and a veteran of the United States Air Force Reserve, he previously served as a county commissioner in Lane County, Oregon. He is dean of Oregon's House delegation. On December 1, 2021, DeFazio announced he would not seek reelection in 2022.