Places beginning with RI in South Dakota, United States
- Richfield Heights
- Richfield, Township of
- Richland
- Richland (historical), Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richland, Township of
- Richland, Unorganized Territory of
- Richmond
- Richmond Heights
- Richmond Lake Heights Development
- Rich Valley, Township of
- Rich Valley, Township of
- Rich Valley, Unorganized Territory of
- Ridgeland Heights
- Ridgeland, Township of
- Ridgeview
- Riffle, Township of
- Rinehart County (historical)
- Ring Thunder, Township of
- River Bluff Addition
- Riverside
- Riverside Colony
- Riverside (historical)
- Riverside (historical), Township of
- Riverside (historical), Township of
- Riverside, Township of
- Riverside, Township of
- Riverside, Township of
- Riverside, Township of
- Riverside, Township of
- River, Township of
- Riverview, Township of