1943 college football season

On September 17, Georgia beat Presbyterian College 25–7. The next day, September 18, Michigan won at Camp Grant, 26–0. Wisconsin lost to Marquette, 33–7, on its way to a 1–9–0 finish.

September 25 Ohio State lost to Iowa Pre-Flight 28–13. Michigan beat Western Michigan 57–6. Notre Dame won at Pitt, 42–0. Army beat Villanova 27–0 and Navy beat North Carolina Pre-Flight, 31–0. Georgia lost at LSU, 34–27. Tulsa beat SMU 20–7, Georgia Tech beat North Carolina 20–7.

October 2 Michigan won at Northwestern 21–7. Notre Dame beat Georgia Tech 55–13. Army defeated Colgate 42–0 and Navy beat Cornell 46–7.

October 9 No. 1 Notre Dame beat No. 2 Michigan, 35–21. No. 3 Army registered another shutout, defeating Temple 51–0. In Baltimore, No. 4 Navy edged No. 5 Duke, 14–13. No. 6 Penn edged Dartmouth 7–6. No. 7 Purdue went to 4–0–0 with a 19–0 win over Camp Grant.

October 16 No. 1 Notre Dame won at Wisconsin 50–0. No. 2 Army won at Columbia, 52–0. In four games, the Cadets had outscored their opponents 172–0. No. 3 Navy beat Penn State 14–6. No. 4 Penn beat the Lakehurst Naval Air Station 74–6. No. 5 Purdue beat Ohio State 30–7 at a game in Cleveland.

October 23 No. 1 Notre Dame beat Illinois 47–0. No. 2 Army yielded its first points, but won at Yale, 39–7. No. 3 Navy beat Georgia Tech 28–14 in Baltimore. No. 4 Purdue beat Iowa 28–7. No. 5 Penn won at Columbia, 33–0, but dropped from the Top Five. No. 7 USC stayed unbeaten, untied, and unscored upon with a 6–0 win over Pacific.

October 30 In Cleveland, No. 1 Notre Dame beat No. 3 Navy, 33–6. In Philadelphia, No. 2 Army and No. 6 Pennsylvania played to a 13–13 tie. No. 4 Purdue won at Wisconsin, 32–0. No. 5 USC beat California, 13–0, for its sixth straight shutout.

November 6 At Yankee Stadium in New York, No. 1 Notre Dame beat No. 3 Army, 26–0. No. 2 Purdue won at Minnesota, 14–7. No. 4 USC lost at San Diego to the San Diego Navy team. No. 5 Penn lost to No. 7 Navy, 24–7. No. 6 Michigan beat Indiana 23–6. No. 8 Iowa Pre-Flight continued its unbeaten streak with a 46–19 win at Marquette on November 7, and became the first “service team” to ever reach the AP's Top Five.

November 13 No. 1 Notre Dame won at Northwestern 25–6. No. 2 Purdue was idle. No. 3 Navy won at Columbia 61–0. No. 4 Michigan beat Wisconsin 27–0. No. 5 Iowa Pre-Flight beat Camp Grant 28–13.

November 20 No. 1 Notre Dame edged No. 2 Iowa Pre-Flight, 14–13. No. 3 Purdue closed its season undefeated (9–0–0) with a 7–0 win at Indiana. No. 4 Michigan closed its season at 8–1–0 with a 45–7 win over Ohio State. No. 5 Navy was idle. The following week, it closed its season with a 13–0 win over Army in the Army–Navy Game, which took place at West Point. Duke closed its season at 8–1–0 with a 27–6 win over North Carolina.

November 27 No. 1 Notre Dame closed its season with a 19–14 loss to Great Lakes NTC, 19–14, but still finished No. 1 in the final rankings. No. 2 Iowa Pre-Flight beat Minnesota, 32–0, to finish at 9–1–0. No. 3 Michigan, No. 4 Purdue, and No. 5 Duke had finished their seasons, as had No. 6 Navy, which rose to fourth place in the final poll.

• 1943 College Football All-America Team
• List of World War II military service football teams