The 1999 Illinois Fighting Illini football team represented the University of Illinois at Urbana–Champaign in the 1999 NCAA Division I-A football season.

Their home games were played at Memorial Stadium in Champaign, Illinois.

The team's head coach was Ron Turner.

This was the first school in 50 years to win road games against both Michigan and Ohio State in the same season.

The team earned a MicronPC Bowl berth, and defeated Virginia, 63–21.