1921 Illinois Fighting Illini football team

{{short description|American college football season}}

{{Use mdy dates|date=August 2023}}

{{Infobox college sports team season

| year = 1921

| team = Illinois Fighting Illini

| sport = football

| image = 1921 Illinois Fighting Illini football team.jpg

| image_size = 285

| conference = Big Ten Conference

| short_conf = Big Ten

| record = 3–4

| conf_record = 1–4

| head_coach = Robert Zuppke

| hc_year = 9th

| off_scheme = Single-wing

| def_scheme =

| captain = L. W. Walquist

| stadium = Illinois Field

| uniform = 20silliniuniform.png

}}

{{1921 Big Ten Conference football standings}}

The 1921 Illinois Fighting Illini football team was an American football team that represented the University of Illinois during the 1921 Big Ten Conference football season. In their ninth season under head coach Robert Zuppke, the Illini compiled a 3–4 record and finished in a tie for eighth place in the Big Ten Conference.{{cite web|title=1921 Illinois Schedule and Results|publisher=Sports Reference LLC|work=SR/College Football|access-date=December 16, 2015|url=https://www.sports-reference.com/cfb/schools/illinois/1921-schedule.html}} Halfback L. W. Walquist was the team captain.{{cite web|title=Fighting Illini Football Record Book|publisher=University of Illinois|year=2015|access-date=December 28, 2016|page=156|url=http://sidearm.sites.s3.amazonaws.com/fightingillini.com/documents/2015/8/3/3_History_7_30.pdf}}