Alphabetically
- Addison Creek
- Apple River
- Beaucoup Creek
- Beaver Creek
- Big Bureau Creek
- Big Muddy River
- Boneyard Creek
- Bonpas Creek
- Bubbly Creek
- Buffalo Creek
- Butterfield Creek
- Cache River
- Calumet River
- Casey Creek, also known as Casey Fork
- Chicago River
- Coon Creek
- Cypress Creek
- Des Plaines River
- DuPage River
- East Branch South Branch Kishwaukee River
- Edwards River
- Elm River
- Embarras River
- Fox River (Illinois River tributary), northern Illinois
- Fox River (Little Wabash tributary), southern Illinois
- Galena River
- Grand Calumet River
- Green River
- Henderson Creek
- Illinois River
- Indian Creek
- Iroquois River
- Kankakee River
- Kaskaskia River
- Killbuck Creek
- Kishwaukee River
- Kyte River
- La Moine River
- Leaf River
- Lick Creek
- Little Calumet River
- Little Embarras River
- Little Mackinaw River
- Little Marys River
- Little Menominee River
- Little Muddy River
- Little Vermilion River (Illinois River tributary)
- Little Vermilion River (Wabash River tributary)
- Little Wabash River
- Lusk Creek
- Mackinaw River
- Macoupin Creek
- Marys River
- Mazon River
- Menominee River
- Middle Fork Vermilion River
- Mississippi River
- Mokeler Creek
- North Branch Chicago River
- North Branch Kishwaukee River
- North Fork Embarras River
- Ohio River
- Owens Creek
- Palmer Creek (Columbia, IL)
- Panther Creek (Mackinaw watershed)
- Pecatonica River
- Pine Creek
- Piscasaw Creek
- Plum River
- Red River
- Rock Creek
- Rock River
- Rush Creek
- Saline Branch
- Saline River
- Salt Creek (Des Plaines River tributary)
- Salt Creek (Little Wabash River tributary)
- Salt Creek (Sangamon River tributary)
- Salt Fork Vermilion River
- Sangamon River
- Shoal Creek
- Sinsinawa River
- Skillet Fork
- Skokie River
- Somonauk Creek
- South Branch Chicago River
- South Branch Kishwaukee River
- Spoon River
- Stillman Creek
- Sugar Creek
- Sugar River
- Thorn Creek
- Vermilion River (Illinois River tributary)
- Vermilion River (Wabash River tributary)
- Wabash River
- West Okaw River
- Wood River
- Yellow Creek
Read more about this topic: List Of Rivers Of Illinois