Illinois (disambiguation)

This disambiguation page lists articles associated with the same or a similar title.

* Illinois (U.S. state): a state in the midwest U.S., joined the union in 1818 and with Chicago, the third largest U.S. city. [e]

* Illinois River: Add brief definition or description

* Illinois (fireboat): A fireboat commissioned in Chicago, Illinois in 1899, Chicago's first steel-hulled fireboat [e]