October 13 At Dallas, No. 1 Oklahoma beat Texas 45–0, having outscored its opposition 147–0 in three games. A commentator of the day wrote, "The overpowering charge of the big red-shirted Oklahoma line ahead of adroit Quarterback Jimmy Harris is just one of the reasons why Oklahoma may be the greatest college football team of all time... They showed it in the sudden, lifting charge of a line which moved all of a piece, like a wave breaking evenly along a beach.""Football:Fourth Week, Sports Illustrated, October 15, 1956, p14 No. 2 Michigan State defeated Indiana 53–6 at home. No. 3 Georgia Tech beat LSU, 39–7. No. 4 TCU won at Alabama 23–6, and No. 5 Ohio State won 26–6 at Illinois. The top five remained unchanged.
