- 12 Robberies
- 3 Robert Froc & Son
- 1 Robert Gysae (Firm)
- 1 Robert Hare Powell & Co.
- 1 Robert Morris Hotel
- 11 Robert Newell & Sons (Firm)
- 1 Robert Steel, Importer of Wines, Liquors, and Cigars
- 1 Robert Stewart, Tailor
- 1 Robert Wetherill & Co.
- 1 Robert-Houdin, Jean-Eugene, 1805-1871
- 2 Roberton, John
- 1 Roberts' Cotton Factory
- 1 Roberts' Dye Works
- 1 Roberts' Hotel
- 4 Roberts' Mill
- 1 Roberts, A.&P. Iron Works
- 4 Roberts, David, 1796-1864
- 1 Roberts, H. B.
- 2 Roberts, J.T. Coal Yard
- 3 Robertson, Patrick Robertson, Lord, 1794-1855
- 1 Robertson's Mill
- 1 Robes
- 1 Robin Hood (Legendary character)
- 1 Robin Hood Hotel
- 2 Robin Hood Tavern
- 5 Robins
- 1 Robinson & Pratt Gray's Ferry Printing Ink Works
- 2 Robinson Street
- 1 Robinson, Jackie, 1919-1972
- 1 Robinson, John, 1575?-1625
- 2 Robinson's Mill
- 6 Robots
- 1 Robt. T. Deakin (Firm)
- 1 Roche, Louis, d. 1849
- 3 Rochester, England
- 6 Rochester, New York
- 3 Rochus, Saint, ca. 1350-ca. 1380
- 1 Rock Carpet Mills
- 1 Rock climbing
- 2 Rockefeller, John Davison, Jr., 1874–1960
