The Illinois–Indiana League or Two–I League was based in Illinois and Indiana and refers the name of two different baseball circuits in Minor league baseball which operated in 1889 and 1892.
The league was renamed to the Illinois-Iowa League in 1890 and 1891.
1889 1892 1889 Illinois–Indiana League Bloomington disbanded June 15; Decatur was dropped June 16.; Logansport disbanded and was replaced by Champaign–Urbana.
Finals: Terre Haute 4 games, Danville 0, one tie.
1892 Illinois-Indiana League - schedule Peoria (17–8) moved to Aurora May 31; Aurora disbanded July 5; Quincy disbanded June 24; Evansville disbanded July 8; Terre Haute disbanded July 10.