Places beginning with RI in Illinois, United States
- Rice
- Rice
- Rice, Township of
- Richards
- Richardson
- Richards Park
- Richfield
- Richfield, Township of
- Richland
- Richland County
- Richland Grove, Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richmond
- Richmond
- Richmond, Township of
- Richton Park
- Rich, Township of
- Richview
- Richview, Township of
- Richwood Election Precinct
- Richwoods
- Richwoods, Township of
- Richwood, Township of
- Ricks, Township of
- Riddle Hill
- Riddleville
- Ridgecrest
- Ridge Farm
- Ridgefield
- Ridgeland (subdivision)
- Ridgeland, Township of
- Ridgely
- Ridge, Township of
- Ridgeville
- Ridgewood
- Ridgway
- Ridgway Precinct
- Ridgway, Township of
- Ridott
- Ridott Corners
- Ridott, Township of
- Riehl
- Riffle
- Riggston
- Riley
- Riley, Township of
- Rileyville
- Rinard
- Ringwood
- Rio
- Rio, Township of
- Ripley
- Ripley, Township of
- Rising
- Rising Sun
- Rising Sun
- Risk
- Ritchie
- River
- Riverdale
- Riverdale
- Riverdale (subdivision)
- River Forest
- River Forest (subdivision)
- River Forest, Township of
- River Grange Lakes
- River Grove
- River Grove (subdivision)
- Riverside
- Riverside Mobile Home Estates
- Riverside, Township of
- Riverside, Township of
- Riverstream
- Riverton
- Riverview (subdivision)
- Riverview (subdivision)
- Riverwoods
- Rivoli, Township of