| Sep 22, 1931 | DePaul 12, Detroit Mercy 0upset | Box score |
| Sep 25, 1931 | Auburn 24, Birmingham-Southern 6 | Box score |
| Sep 25, 1931 | Grinnell 26, Coe 0 | Box score |
| Sep 25, 1931 | Hillsdale 7, Chicago 0upset | Box score |
| Sep 25, 1931 | UCLA 0, Occidental 0 | Box score |
| Sep 25, 1931 | Clemson 0, Presbyterian 0 | Box score |
| Sep 25, 1931 | San Francisco 25, BYU 0upset | Box score |
| Sep 26, 1931 | Alabama 42, Samford 6 | Box score |
| Sep 26, 1931 | Arizona State 66, Sacaton Indians 0 | Box score |
| Sep 26, 1931 | Arkansas 13, Ozarks 6 | Box score |
| Sep 26, 1931 | Army 60, Ohio Northern 0 | Box score |
| Sep 26, 1931 | Brown 22, Colby 0 | Box score |
| Sep 26, 1931 | Bucknell 34, St. Thomas 7 | Box score |
| Sep 26, 1931 | California 6, Santa Clara 2 | Box score |
| Sep 26, 1931 | Carnegie Mellon 25, Buffalo 0 | Box score |
| Sep 26, 1931 | Carroll (Montana) 2, Montana 0upset | Box score |
| Sep 26, 1931 | Centenary (LA) 23, Northwestern State 2 | Box score |
| Sep 26, 1931 | Chicago 12, Cornell (IA) 0 | Box score |
| Sep 26, 1931 | Colgate 40, Niagara 0 | Box score |
| Sep 26, 1931 | Columbia 61, Middlebury 0 | Box score |
| Sep 26, 1931 | Cornell 68, Clarkson 0 | Box score |
| Sep 26, 1931 | Creighton 26, Baker 7 | Box score |
| Sep 26, 1931 | Dartmouth 56, Norwich 6 | Box score |
| Sep 26, 1931 | Fordham 28, Thiel 0 | Box score |
| Sep 26, 1931 | Georgetown 25, Lebanon Valley 0 | Box score |
| Sep 26, 1931 | Idaho 32, Whitman 7 | Box score |
| Sep 26, 1931 | Indiana 7, Ohio 6 | Box score |
| Sep 26, 1931 | Iowa State 6, Simpson (IA) 0 | Box score |
| Sep 26, 1931 | Maryland 13, Washington (Maryland) 0 | Box score |
| Sep 26, 1931 | Michigan State 74, Alma 0 | Box score |
| Sep 26, 1931 | Minnesota 13, North Dakota State 7 | Box score |
| Sep 26, 1931 | Mississippi State 10, Millsaps 7 | Box score |
| Sep 26, 1931 | Nebraska 44, South Dakota 6 | Box score |
| Sep 26, 1931 | New Mexico State 33, New Mexico Highlands 6 | Box score |
| Sep 26, 1931 | New York University 65, Hobart 0 | Box score |
| Sep 26, 1931 | Northern Arizona 26, Fresno State 2 | Box score |
| Sep 26, 1931 | Oklahoma State 25, Northeastern Oklahoma State 0 | Box score |
| Sep 26, 1931 | Stanford 0, Olympic Club 0 | Box score |
| Sep 26, 1931 | Pittsburgh 61, Miami (OH) 0 | Box score |
| Sep 26, 1931 | Virginia 7, Randolph Macon 7 | Box score |
| Sep 26, 1931 | San Diego State 8, Arizona 0upset | Box score |
| Sep 26, 1931 | Sewanee 24, Tennessee Tech 7 | Box score |
| Sep 26, 1931 | Montana State 7, St. Mary’s (Minnesota) 7 | Box score |
| Sep 26, 1931 | Syracuse 46, St. Lawrence 6 | Box score |
| Sep 26, 1931 | Temple 33, Mount St. Mary’s 0 | Box score |
| Sep 26, 1931 | Tennessee 33, Maryville (TN) 0 | Box score |
| Sep 26, 1931 | Texas A&M 21, Tarleton State 0 | Box score |
| Sep 26, 1931 | Utah State 58, Montana Tech 0 | Box score |
| Sep 26, 1931 | Vanderbilt 52, Western Kentucky 0 | Box score |
| Sep 26, 1931 | Villanova 32, Loyola (Baltimore) 0 | Box score |
| Sep 26, 1931 | Virginia Tech 33, King 0 | Box score |
| Sep 26, 1931 | Washington & Jefferson 14, West Virginia Wesleyan 0 | Box score |
| Sep 26, 1931 | Washington and Lee 32, Hampden Sydney 0 | Box score |
| Sep 26, 1931 | Washington St. Louis 6, William Jewell 0 | Box score |
| Sep 26, 1931 | Washington State 41, Albertson 0 | Box score |
| Sep 26, 1931 | Waynesburg 7, Penn State 0upset | Box score |
| Sep 26, 1931 | Wyoming 35, Chadron State 0 | Box score |
| Sep 27, 1931 | Oregon 20, Willamette 0 | Box score |
| Sep 27, 1931 | Texas 36, Hardin Simmons 0 | Box score |