Dies ist eine Liste der State Parks im US-Bundesstaat Illinois.

• Anderson Lake State Fish & Wildlife Area
• Apple River Canyon State Park
• Argyle Lake State Park

• Baldwin Lake State Fish & Wildlife Area
• Beaver Dam State Park (Illinois)
• Big River State Forest
• Beall Woods State Park
• Buffalo Rock State Park & Effigy Tumuli

• Cache River State Natural Area
• Carlyle Lake State Fish and Wildlife Area
• Castle Rock State Park
• Cave-in-Rock State Park
• Chain O’Lakes State Park
• Channahon State Park
• Crawford County State Fish and Wildlife Area
• Clinton Lake State Recreation Area
• Coffeen Lake State Fish and Wildlife Area

• Delabar State Park
• Depue State Fish & Wildlife Area
• Des Plaines Fish and Wildlife Area
• Dixon Springs State Park
• Donnelley State Wildlife Area

• Eagle Creek State Recreation Area
• Edward R. Madigan State Fish and Wildlife Area
• Eldon Hazlet State Recreation Area

• Ferne Clyffe State Park
• Fort Massac State Park
• Fox Ridge State Park
• Frank Holten State Recreation Area
• Franklin Creek State Park
• Fults Hill Prairie State Natural Area

• Giant City State Park
• Golconda Marina State Recreation Area
• Gebhard Woods State Park
• Goose Lake Prairie State Natural Area
• Green River State Wildlife Area

• Hamilton County State Fish and Wildlife Area
• Harry "Babe" Woodyard State Natural Area
• Hazel & Bill Rutherford Wildlife Prairie State Park
• Heidecke Lake State Fish & Wildlife Area
• Hennepin Canal Parkway State Park
• Hidden Springs State Forest
• Horseshoe Lake State Fish and Wildlife Area
• Horseshoe Lake State Park (Madison County)

• Illini State Park
• Illinois Beach State Park
• Illinois Caverns State Natural Area
• Iroquois State Wildlife Area

• James "Pate" Philip State Park (Tri-County)
• Jim Edgar Panther Creek State Fish and Wildlife Area
• Johnson-Sauk Trail State Park
• Jubilee College State Park

• Kankakee River State Park
• Kaskaskia River State Fish & Wildlife Area Kidd Lake State Natural Area
• Kickapoo State Recreation Area
• Kinkaid Lake State Fish and Wildlife Area
• Kishwaukee River State Fish & Wildlife Area

• Lake Le-Aqua-Na State Park
• Lake Murphysboro State Park
• LaSalle Lake State Fish & Wildlife Area
• Lincoln Trail State Park
• Lincoln Trail Homestead State Memorial
• Lowden State Park

• Mackinaw River State Fish and Wildlife Area
• Marshall State Fish & Wildlife Area
• Matthiessen State Park
• Mautino State Fish & Wildlife Area
• Mazonia/Braidwood State Fish & Wildlife Area
• Mermet Lake State Fish and Wildlife Area
• Middle Fork State Fish and Wildlife Area
• Mississippi River State Fish and Wildlife Area
• Moraine Hills State Park
• Moraine View State Recreation Area
• Morrison-Rockwood State Park
• Mississippi Palisades State Park

• Nauvoo State Park
• Newton Lake State Fish and Wildlife Area
• North Point Marina

• Peabody River State Fish and Wildlife Area
• Parc d’État de Pere Marquette
• Piney Creek Ravine State Natural Area
• Prophetstown State Recreation Area
• Pyramid State Recreation Area

• Ramsey Lake State Recreation Area
• Randolph County State Recreation Area
• Ray Norbut State Fish and Wildlife Area
• Red Hills State Park
• Rend Lake State Fish and Wildlife Area
• Rice Lake State Fish and Wildlife Area
• Rock Cut State Park
• Rock Island Trail State Park

• Saline County State Fish & Wildlife Area
• Sam Dale Lake State Fish and Wildlife Area
• Sam Parr State Fish and Wildlife Area
• Sand Ridge State Forest
• Sanganois State Fish & Wildlife Area
• Sangchris Lake State Recreation Area
• Sielbeck Forest Natural Area
• Siloam Springs State Park
• Shabbona Lake State Park
• Shelbyville State Fish and Wildlife Area
• Silver Springs State Fish & Wildlife Area
• Snakeden Hollow State Fish and Wildlife Area
• South Shore State Park
• Spitler Woods State Natural Area
• Spring Lake Fish and Wildlife Area
• Starved Rock State Park
• Stephen A. Forbes State Recreation Area

• Ten Mile Creek State Fish & Wildlife Area
• Trail of Tears State Forest
• Tunnel Hill State Trail
• Turkey Bluffs State Fish and Wildlife Area

• Union County State Fish and Wildlife Area

• Volo Bog State Natural Area

• Walnut Point State Park
• Washington County State Recreation Area
• Wayne Fitzgerrell State Recreation Area
• Weinberg-King State Park
• Weldon Springs State Recreation Area
• White Pines Forest State Park
• Wildlife Prairie State Park
• William W. Powers State Recreation Area
• William G. Stratton State Park
• Wolf Creek State Park
• Woodford State Fish and Wildlife Area

Commons: State parks of Illinois – Sammlung von Bildern, Videos und Audiodateien

• Department of Natural Resources Illinois (DNR) (englisch)
• Stateparks.com (englisch)