|South Inter-Athletic Association Conference|
|Divisions||Central, East, North, South, West|
The South Inter-Conference Association is a former high school umbrella conference organizing extracurricular sporting activities in the southern portion of Cook, portions of Kendall and throughout Will and Kankakee Counties in Illinois. SICA is the predecessor competitive body of the current South Suburban Conference, Southwest Suburban Conference, and Southland Athletic Conference. At one point it was the largest conference in Illinois.