The 1948âÂÂ49 Illinois Fighting Illini men's basketball team represented the University of Illinois.
The 1948-49 squad, led by Dike Eddleman, Bill Erickson, and Walter Osterkorn, was Illinoisâ first 20-game winner since 1908, finishing 21-4. Illinois beat Yale, 71-67, to advance to a national semifinal showdown with Kentucky at Madison Square Garden in New York City. The Illini fell to the Wildcats, 76-47, forcing Illinois to defeat Oregon State, 57-53, in Seattle for third place.
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|- !colspan=12 style="background:#DF4E38; color:white;"| Non-Conference regular season
|- !colspan=9 style="background:#DF4E38; color:#FFFFFF;"|<span style="color:#FFFFFF;">Big Ten regular season</span>
|- !colspan=9 style="text-align: center; background:#DF4E38"|<span style="color:#FFFFFF;">NCAA tournament</span>
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