The 1947 Big Nine Conference football season was the 52nd season of college football played by the member schools of the Big Nine Conference (also known as the Western Conference and the Big Ten Conference) and was a part of the 1947 college football season. The 1947 Big Ten champion was Michigan. The Wolverines compiled a perfect 10–0 record, outscored its opponents by a combined total of 394 to 53, and defeated the USC Trojans by a score of 49 to 0 in the 1948 Rose Bowl game.