- Raleigh
- Rancho Cucamonga
- Rancho Dominguez
- Rancho Palos Verdes
- Rancho Park
- Randallstown
- Rappahannock County
- Raubsville
- Ravenswood
- Red Hook
- Redondo Beach
- Redwood City
- Rego Park
- Rehoboth Beach
- Reisterstown
- Reseda
- Reunion
- Rialto
- Richmond (Contra Costa, California)
- Richmond (McHenry, Illinois)
- Richmond (Richmond, Virginia)
- Richmond Hill
- Richmond Town
- Richton Park
- Ridge
- Ridgefield
- Ridgewood
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- Riverdale (Bronx, New York)
- Riverdale (Cook, Illinois)
- Riverhead (Suffolk, New York)
- Riverside (Riverside, California)
- Riverside (Southampton, New York)
- Riverside County
- Riverton
- Riverwoods
- Riviera Beach
- Roanoke (Roanoke, Virginia)
- Roanoke County
- Rochdale
- Rockaway Park
- Rockingham County (Virginia)
- Rockville (Montgomery, Maryland)
- Rockville Centre
- Rocky Hill
- Rocky Point
- Rodanthe
- Rogers Park
- Roland Park
- Rolling Hills
- Rolling Hills Estates
- Rolling Meadows
- Romeoville
- Ronkonkoma
- Roosevelt
- Roosevelt Island
- Roscoe Village
- Rosedale (Baltimore, Maryland)
- Rosedale (Queens, New York)
- Roseland
- Rosemead
- Rosemont (Cook, Illinois)
- Rosemont (Orlando, Florida)
- Roseto
- Roseville
- Roslyn
- Roslyn Harbor
- Roslyn Heights
- Rossville
- Rowland Heights
- Roxbury
- Royal Palm Beach
- Rush and Division
