| Roger Sperry | Roger Wolcott Sperry |
| Roger Taylor | Roger Taylor |
| Roger Vadim | Roger Vadim |
| Roger Waters | Roger Waters |
| Roger Zelazny | Roger Zelazny |
| Rogerio Frugardi | Rogerius |
| Rogers Centre | Rogers Centre |
| Rogerville | Rogerville |
| Roggliswil | Roggliswil |
| Rogier van der Weyden | Rogier van der Weyden |
| Rogliano | Rogliano |
| rogna | scabies |
| Rognare | Beef |
| Rognonas | Rognonas |
| rognoso | mangy |
| Rogny | Rogny |
| rogo | fire |
| Rogosnizza | Rogoznica |
| Rogério Ceni | Rogério Ceni |
| ROH | ROH |
| Roh Moo-hyun | Roh Moo-hyun |
| Rohan | Rohan |
| Rohr im Burgenland | Rohr im Burgenland |
| Rohr im Kremstal | Rohr im Burgenland |
| Rohr in Niederbayern | Rohr in Niederbayern |
| Rohrau | Rohrau |
| Rohrbach an der Gölsen | Rohrbach an der Gölsen |
| Rohrbach bei Mattersburg | Rohrbach bei Mattersburg |
| Rohrbach in Oberösterreich | Rohrbach in Oberösterreich |
| Rohrbrunn | Rohrbrunn |
| Rohrendorf bei Krems | Rohrendorf bei Krems |
| Rohrenfels | Rohrenfels |
| Rohrschach | Rohrschach |
| Rohypnol | Flunitrazepam |
| ROI | ROI |
| Roi Et | Roi Et Province |
| Roia | Roya |
| Roigheim | Roigheim |
| Roissy | Roissy |
| Rojas | Rojas Partido |
| Rok Petrovič | Rok Petrovič |
| Rokeri s Moravu | Rokeri s Moravu |
| Rokkasen | Six best Waka poets |
| Rokko | Rokko |
| Roko Ukić | Roko Ukić |
| Rokytov | Rokytov |
| Rokytovce | Rokytovce |
| Rolampont | Rolampont |
| Roland Barthes | Roland Barthes |
| Roland Corporation | Roland Corporation |
| Roland De Marigny | Roland de Marigny |
| Roland di Gilead | Roland Deschain |
| Roland Dumas | Roland Dumas |
| Roland Emmerich | Roland Emmerich |
| Roland Freisler | Roland Freisler |
| Roland Garros | Roland Garros |
| Roland Joffé | Roland Joffé |
| Roland Juhász | Roland Juhász |
| Roland Mark Schoeman | Roland Mark Schoeman |
| Roland Ratzenberger | Roland Ratzenberger |
| Rolando | Roland |
| Rolf Stommelen | Rolf Stonmelen |
| roll-on | roll-on |
| Rollag | Rollag |
| rollare | wallow |
| Rolle | Rolle |
| roller derby | roller derby |
| Rollerball | Rollerball |
| RollerCoaster Tycoon | RollerCoaster Tycoon |
| Rolling Thunder | Rolling Thunder |
| rollino | jelly roll |
| Rollone | Rollo of Normandy |
| Rolls Royce Condor | Rolls-Royce Condor |
| Rolls Royce Eagle | Rolls-Royce Eagle |
| Rolls Royce Falcon | Rolls-Royce Falcon |
| Rolls Royce Kestrel | Rolls-Royce Kestrel |
| Rolls Royce Merlin | Rolls-Royce Merlin |
| Rolls-Royce | Rolls-Royce |
| Rolls-Royce Limited | Rolls-Royce Limited |
| Rolls-Royce Phantom | Rolls-Royce Phantom |
| Rolls-Royce plc | Rolls-Royce plc |
| Rolls-Royce Silver Seraph | Rolls-Royce Silver Seraph |
| ROM | ROM |
| Roma | Roman |
| Roma Kungsgård | Roma |
| Roma non fu fatta in un giorno | Rome wasn't built in a day |
| Romagna | Romagna |
| romaico | Romaic |
| Romain | Roman |
| Romain de Tirtoff | Romain de Tirtoff |
| Romain Gary | Romain Gary |
| Romain Rolland | Romain Rolland |
| Romainmôtier-Envy | Romainmôtier-Envy |
| Romairon | Romairon |
| Roman Abramović | Roman Abramovich |
| Roman Arkadiević Abramović | Roman Abramovich |
| Roman Berezovsky | Roman Berezovsky |
| Roman de la Rose | Roman de la Rose |
| Roman de Renart | Reynard |
| Roman Eremenko | Roman Eremenko |
| Roman Jakobson | Roman Jakobson |
| Roman Pavljučenko | Roman Pavlyuchenko |
| Roman Polański | Roman Polanski |
| Roman Rusinov | Roman Rusinov |
| Roman Sloudnov | Roman Sloudnov |
| Roman Vlad | Roman Vlad |
| Roman von Ungern-Sternberg | Roman Ungern von Sternberg |
| Roman Weidenfeller | Roman Weidenfeller |
| romana | Roman |
| romancio | Romansch |
| Romandia | Romandy |
| Romanel-sur-Lausanne | Romanel-sur-Lausanne |
| Romanel-sur-Morges | Romanel-sur-Morges |
| Romanesca | Roman |
| Romani | Roman |
| Romania | Rumania |
| Romania comunista | Communist Romania |
| romanico | Romanesque |
| Romanico lombardo | First Romanesque |
| Romanioti | Romaniotes |
| romano | Roman |
| Romano Guardini | Romano Guardini |
| Romano I di Bisanzio | Romanos I |
| Romano II di Bisanzio | Romanos II |
| Romano III di Bisanzio | Romanos III |
| Romano IV di Bisanzio | Romanos IV |
