| Oct 8, 1983 | Air Force 44, Navy 17 | Box score |
| Oct 8, 1983 | 10Arizona 52, Colorado State 21 | Box score |
| Oct 8, 1983 | Army 20, Rutgers 12 | Box score |
| Oct 8, 1983 | 7Auburn 49, Kentucky 21 | Box score |
| Oct 8, 1983 | 20BYU 41, Wyoming 10 | Box score |
| Oct 8, 1983 | Central Michigan 24, Eastern Michigan 3 | Box score |
| Oct 8, 1983 | Clemson 42, Virginia 21 | Box score |
| Oct 8, 1983 | East Carolina 21, Louisiana 18 | Box score |
| Oct 8, 1983 | 9Florida 29, Vanderbilt 10 | Box score |
| Oct 8, 1983 | 11Georgia 36, Ole Miss 11 | Box score |
| Oct 8, 1983 | Georgia Tech 20, NC State 10upset | Box score |
| Oct 8, 1983 | 19Illinois 27, Wisconsin 15 | Box score |
| Oct 8, 1983 | Indiana 38, Minnesota 31 | Box score |
| Oct 8, 1983 | 15Iowa 61, Northwestern 21 | Box score |
| Oct 8, 1983 | Iowa State 38, Kansas 35 | Box score |
| Oct 8, 1983 | Long Beach State 20, San Diego State 13 | Box score |
| Oct 8, 1983 | 16Maryland 34, Syracuse 13 | Box score |
| Oct 8, 1983 | Memphis 28, Tulane 25 | Box score |
| Oct 8, 1983 | 12Miami 42, Louisville 14 | Box score |
| Oct 8, 1983 | Miami (OH) 27, Kent State 7 | Box score |
| Oct 8, 1983 | 14Michigan 42, Michigan State 0 | Box score |
| Oct 8, 1983 | Missouri 59, Colorado 20 | Box score |
| Oct 8, 1983 | 1Nebraska 14, Oklahoma State 10 | Box score |
| Oct 8, 1983 | New Mexico 30, Texas Tech 10 | Box score |
| Oct 8, 1983 | 4North Carolina 30, Wake Forest 10 | Box score |
| Oct 8, 1983 | Northern Illinois 27, Western Michigan 3 | Box score |
| Oct 8, 1983 | Notre Dame 30, South Carolina 6 | Box score |
| Oct 8, 1983 | 6Ohio State 33, Purdue 22 | Box score |
| Oct 8, 1983 | Oregon 24, California 17 | Box score |
| Oct 8, 1983 | Penn State 34, 3Alabama 28upset | Box score |
| Oct 8, 1983 | Pittsburgh 17, Florida State 16 | Box score |
| Oct 8, 1983 | San José State 41, Fresno State 23 | Box score |
| Oct 8, 1983 | USC 38, Washington State 17 | Box score |
| Oct 8, 1983 | 13SMU 42, Baylor 26 | Box score |
| Oct 8, 1983 | Southern Miss 31, Mississippi State 6 | Box score |
| Oct 8, 1983 | Tennessee 20, LSU 6 | Box score |
| Oct 8, 1983 | 2Texas 28, 8Oklahoma 16 | Box score |
| Oct 8, 1983 | Texas A&M 30, Houston 7 | Box score |
| Oct 8, 1983 | TCU 34, Rice 3 | Box score |
| Oct 8, 1983 | Toledo 6, Bowling Green 3 | Box score |
| Oct 8, 1983 | Tulsa 24, New Mexico State 10 | Box score |
| Oct 8, 1983 | UCLA 39, Stanford 21 | Box score |
| Oct 8, 1983 | Utah 35, UTEP 11 | Box score |
| Oct 8, 1983 | Utah State 27, Pacific 10 | Box score |
| Oct 8, 1983 | Virginia Tech 27, Duke 14 | Box score |
| Oct 8, 1983 | 16Washington 34, Oregon State 7 | Box score |