1931 Purdue Boilermakers football team represented Purdue University in the Big Ten Conference (Big Ten) during the 1931 college football season. In their second season under head coach Noble Kizer, the Boilermakers compiled a 9–1 record (5–1 against Big Ten opponents), shut out six of ten opponents, suffered its sole loss to Wisconsin, tied with Michigan for the Big Ten championship, and outscored opponents by a combined total of 192 to 39. The team was recognized as national co-champion by  Parke H. Davis.
Paul Moss and center Ookie Miller were both recognized as first-team All-Americans. Moss received first-team honors from Liberty magazine, and Miller received the same from the  United Press and College Humor magazine.  Five Purdue players received honors on the  1931 All-Big Ten Conference football team: Paul Moss from the Associated Press (AP), United Press (UP), and captains' team (CPT); Ookie Miller (AP-2, UP-1); quarterback Paul Pardonner (UP-2); halfback Jim Purvis (CPT); and halfback Fred Hecker (AP-2, UP-2).  
"1931 Purdue Boilermakers". SR/College Football. Sports Reference LLC . https://www.sports-reference.com/cfb/schools/purdue/1931-schedule.html . Retrieved December 23, 2015.
ESPN College Football Encyclopedia. ESPN Books. 2005. p. 1163. ISBN 1401337031.
McLemore, Henry (December 4, 1931). "United Press Selects Stellar All-American". The Piqua Daily Call (Ohio).
"All-America Selected by Coll. Humor". The Greeley Daily Tribune (Colorado). December 31, 1932.
Paul Mickelson (November 24, 1931). "Northwestern Places Five Players on Two All-Western Elevens". The Independent, St. Petersburg, Fla. (AP story): p. 4A . . https://news.google.com/newspapers?nid=950&dat=19311124&id=mfNPAAAAIBAJ&sjid=11QDAAAAIBAJ&pg=3173,6324329
Claire M. Burcky (December 13, 1931). "Captains Pick Outstanding Players". The Sunday Spartanburg Herald-Journal: p. 32 . . https://news.google.com/newspapers?nid=1876&dat=19311211&id=VIcsAAAAIBAJ&sjid=o8oEAAAAIBAJ&pg=4133,4065978
George Kirksey (November 24, 1931). "United Press All Big Ten Selections for 1931". The Indiana Gazette (Indiana, Pennsylvania): p. 10 . . https://www.newspapers.com/image/10022500/?terms=manders%2Bcramer%2Brentner%2B%22united%2Bpress%22
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