| Oct 1, 1983 | 6Alabama 44, Memphis 13 | Box score |
| Oct 1, 1983 | California 33, 3Arizona 33 | Box score |
| Oct 1, 1983 | 20Arizona State 29, Stanford 11 | Box score |
| Oct 1, 1983 | Arkansas 38, TCU 21 | Box score |
| Oct 1, 1983 | 10Auburn 27, 17Florida State 24 | Box score |
| Oct 1, 1983 | Baylor 42, Houston 21 | Box score |
| Oct 1, 1983 | Boston College 18, Temple 15 | Box score |
| Oct 1, 1983 | Bowling Green 26, Eastern Michigan 21 | Box score |
| Oct 1, 1983 | BYU 37, UCLA 35 | Box score |
| Oct 1, 1983 | Cal State Fullerton 31, Pacific 14 | Box score |
| Oct 1, 1983 | Central Michigan 13, Kent State 7 | Box score |
| Oct 1, 1983 | Colorado State 31, Utah 28upset | Box score |
| Oct 1, 1983 | East Carolina 13, Missouri 6 | Box score |
| Oct 1, 1983 | 12Florida 31, 16LSU 17 | Box score |
| Oct 1, 1983 | 11Georgia 20, Mississippi State 7 | Box score |
| Oct 1, 1983 | Illinois 33, 4Iowa 0upset | Box score |
| Oct 1, 1983 | 19Maryland 23, Virginia 3 | Box score |
| Oct 1, 1983 | 15Miami 56, Duke 17 | Box score |
| Oct 1, 1983 | 14Michigan 43, Indiana 18 | Box score |
| Oct 1, 1983 | Purdue 29, Michigan State 29 | Box score |
| Oct 1, 1983 | 1Nebraska 63, Syracuse 7 | Box score |
| Oct 1, 1983 | UNLV 35, Oregon State 21 | Box score |
| Oct 1, 1983 | New Mexico State 24, Iowa State 17upset | Box score |
| Oct 1, 1983 | 5North Carolina 38, Georgia Tech 21 | Box score |
| Oct 1, 1983 | NC State 38, Wake Forest 15 | Box score |
| Oct 1, 1983 | Northern Illinois 27, Ball State 14 | Box score |
| Oct 1, 1983 | Notre Dame 27, Colorado 3 | Box score |
| Oct 1, 1983 | 8Ohio State 69, Minnesota 18 | Box score |
| Oct 1, 1983 | 9Oklahoma 29, Kansas State 10 | Box score |
| Oct 1, 1983 | Oklahoma State 9, Tulsa 0 | Box score |
| Oct 1, 1983 | Penn State 36, Rutgers 25 | Box score |
| Oct 1, 1983 | Hawai’i 27, San Diego State 27 | Box score |
| Oct 1, 1983 | San José State 44, Oregon 34 | Box score |
| Oct 1, 1983 | South Carolina 38, USC 14 | Box score |
| Oct 1, 1983 | Southern Miss 27, Ole Miss 7 | Box score |
| Oct 1, 1983 | 2Texas 42, Rice 6 | Box score |
| Oct 1, 1983 | Texas Tech 3, Texas A&M 0 | Box score |
| Oct 1, 1983 | Toledo 31, Ohio 0 | Box score |
| Oct 1, 1983 | Utah State 20, Fresno State 12 | Box score |
| Oct 1, 1983 | Vanderbilt 30, Tulane 17 | Box score |
| Oct 1, 1983 | Virginia Tech 31, Louisville 0 | Box score |
| Oct 1, 1983 | 18Washington 27, Navy 10 | Box score |
| Oct 1, 1983 | 7West Virginia 24, Pittsburgh 21 | Box score |
| Oct 1, 1983 | Western Michigan 20, Miami (OH) 18 | Box score |
| Oct 1, 1983 | Wisconsin 49, Northwestern 0 | Box score |
| Oct 1, 1983 | Wyoming 49, UTEP 17 | Box score |