- 3 Rudersdorff, Hermine, 1822-1882
- 2 Rudolph Koenig (Firm)
- 5 Ruffs
- 18 Rugs
- 131 Ruins
- 2 Rulers (Instruments)
- 4 Rules (instructions)
- 1 Rules and practice
- 1 Rumelia
- 1 Rumford Chemical Works
- 1 Rumor
- 1 Rumors of revolution
- 1 Rumpelstiltskin (Folk tale)
- 1 Rumrunners
- 1 Rumsey & Co., Ltd.
- 1 Runge Cigar Shop
- 2 Runge, Gustav, 1822-1900, Architect
- 4 Running (physical activity)
- 7 Runways (airport runways)
- 23 Rural areas
- 1 Rusden, George William, 1819-1903
- 1 Russ, Robert.
- 1 Russell, John
- 1 Russell, Lillian, 1861-1922
- 3 Russell, William Howard, Sir, 1820-1907.
- 3 Russell, William, 1905-1992
- 46 Russia
- 1 Russian Hut
- 2 Russian Orthodox
- 4 Rustic Lunch Room Oyster & Chop House
- 3 Ruth (Biblical Figure)
- 3 Ruth (Sculpture)
- 1 Ruth, George Herman Babe, Jr. 1895–1948
- 4 Rutland Street
- 1 Ruts
- 1 Rutschman's Machine Works & Tape Weaving
- 1 Ryan, Michael J.
- 2 Ryde, England
- 1 Ryeland, Pennsylvania
- 1 Ryer, E. C.
