Illinois (disambiguation)
- Battleship Illinois (replica)
- Frank Lloyd Wright
- Illinois
- Illinois (Brett Eldredge album)
- Illinois (Sufjan Stevens album)
- Illinois (band)
- Illinois (song)
- Illinois City, Illinois
- Illinois College
- Illinois Confederation
- Illinois Country
- Illinois County, Virginia
- Illinois Fighting Illini
- Illinois Jacquet
- Illinois River (Arkansas–Oklahoma)
- Illinois River (Illinois)
- Illinois River (disambiguation)
- Illinois Terminal
- Illinois Territory
- Illinois Township
- Illinois station (DART)
- Illinoise
- Miami-Illinois
- SS Illinois (1873)
- SS Illinois (1917)
- The Illinois
- USS Illinois (BB-65)
- USS Illinois (BB-7)
- USS Illinois (SSN-786)
- University of Illinois Urbana-Champaign