- Radcliffe
- Rake
- Ralston
- Randalia
- Randall
- Randolph
- Rathbun
- Raymond
- Readlyn
- Reasnor
- Red Oak
- Redding
- Redfield
- Reinbeck
- Rembrandt
- Remsen
- Renwick
- Rhodes
- Riceville
- Richland
- Rickardsville
- Ricketts
- Ridgeway
- Rinard
- Ringsted
- Rippey
- River Sioux
- Riverdale
- Riverside
- Riverton
- Robins
- Rochester
- Rock Falls
- Rock Rapids
- Rock Valley
- Rockford
- Rockwell
- Rockwell City
- Rodman
- Rodney
- Roland
- Rolfe
- Rome
- Rose Hill
- Roseville
- Rossie
- Rowan
- Rowley
- Royal
- Rudd
- Runnells
- Russell
- Ruthven
- Rutland
- Ryan
