James Louis "Jim" Oberstar (born September 10, 1934) is a United States politician. Oberstar has been a Democratic-Farmer-Labor Party member of the United States House of Representatives since 1975, representing Minnesota's 8th congressional district, one of eight congressional districts in Minnesota. The district is located in the northeastern part of the state. Minnesota's fifth largest city, Duluth is in the district; it also includes Brainerd,Grand Rapids, International Falls and Hibbing.

With the Democrats' victory in the 2006 midterm elections, Oberstar has become chairman of the House Transportation and Infrastructure Committee. Within days after the collapse of the I-35W Mississippi River bridge, Oberstar introduced and succeeded in passing legislation to appropriate $250 million to Mn/DOT to quickly build a replacement bridge.

He was born in Chisholm, Minnesota, and still owns his original family home in Chisholm. He received his B.A. at the College of St. Thomas (now the University of St. Thomas in St. Paul). He also received a Master's degree in European Studies from the College of Europe in Bruges, Belgium, with further study at Université Laval in Sainte-Foy, Quebec, Canada and Georgetown University. He spent four years as a civilian language teacher in the United States Marine Corps, teaching English to Haitian military personnel and French to American Marine officers and noncommissioned officers.