| Roi Arthur | King Arthur |
| Roi Asa | Asa of Judah |
| Roi Baudouin | King Baudouin metro station |
| Roi Dadidou | King Dedede |
| Roi des Romains | King of the Romans |
| Roi Et | Roi Et |
| roi mage | wise man |
| Roi Scorpion | King Scorpion |
| Roi Végéta | List of Saiyans in Dragon Ball |
| Roi-dragon | Dragon King |
| Roi-Soleil | Sun King |
| Roideur | Starch |
| Rois catholiques | Catholic Monarchs |
| Rois de Commagène | List of rulers of Commagene |
| Rois de Númenor | List of rulers of Númenor |
| Rois de Sparte | Kings of Sparta |
| Rois du Bhoutan | List of rulers of Bhutan |
| Rois du Gondor | Kings of Gondor |
| Rois du Rohan | List of Kings of Rohan |
| Rois fainéants | Roi fainéant |
| Rois mages | the three Magi |
| Roissy | Roissy |
| roitelet | wren |
| Roitelet de Teneriffe | Tenerife Goldcrest |
| Roitelet à couronne dorée | Golden-crowned Kinglet |
| Rojas | Rojas Partido |
| Rok Petrovič | Rok Petrovič |
| Rok Ďábla | Year of the Devil |
| Rokko | Rokko |
| Rokujō | Emperor Rokujō |
| Rolampont | Rolampont |
| Roland | Roland |
| Roland Barthes | Roland Barthes |
| Roland Bonaparte | Roland Bonaparte |
| Roland de Gilead | Roland Deschain |
| Roland de Lassus | Orlande de Lassus |
| Roland de Marigny | Roland de Marigny |
| Roland Dumas | Roland Dumas |
| Roland Emmerich | Roland Emmerich |
| Roland Eötvös | Loránd Eötvös |
| Roland Freisler | Roland Freisler |
| Roland Garros | Roland Garros |
| Roland Joffé | Roland Joffé |
| Roland Juhász | Roland Juhász |
| Roland Kirk | Rahsaan Roland Kirk |
| Roland Koch | Roland Koch |
| Roland Mark Schoeman | Roland Mark Schoeman |
| Roland Pieper | Roel Pieper |
| Roland Ratzenberger | Roland Ratzenberger |
| Roland-Manuel | Alexis Roland-Manuel |
| Rolandas Paksas | Rolandas Paksas |
| Rolas | Rolas |
| Rolento Schugerg | Rolento |
| Rolf Jaermann | Rolf Järmann |
| Rolf Liebermann | Rolf Liebermann |
| Rolf Sievert | Rolf Maximilian Sievert |
| Rolf Stommelen | Rolf Stonmelen |
| Roll over Beethoven | Roll Over Beethoven |
| Rolladen-Schneider Flugzeugbau GmbH | Rolladen-Schneider Flugzeugbau |
| Rollandia microptera | Titicaca Flightless Grebe |
| rollback | rollback |
| Rolle | Rolle |
| Rolle oriental | Dollarbird |
| Roller de vitesse | Inline speed skating |
| roller derby | roller derby |
| Roller en ligne | Inline skates |
| Roller hockey | Roller hockey |
| Roller in line hockey | Inline hockey |
| roller-catch | roller derby |
| Rollerball | Rollerball |
| RollerCoaster Tycoon | RollerCoaster Tycoon |
| Rollier à longs brins | Lilac-breasted Roller |
| Rollier à raquettes | Racket-tailed Roller |
| Rollier à ventre bleu | Blue-bellied Roller |
| rollmops | pickled herring fillet |
| Rollon | Rollo of Normandy |
| Rolls Royce plc | Rolls-Royce plc |
| Rolls-Royce | Rolls-Royce |
| Rolls-Royce Limited | Rolls-Royce Limited |
| Rolls-Royce Merlin | Rolls-Royce Merlin |
| Rolls-Royce Motor Cars | Rolls-Royce Motor Cars |
| Rolls-Royce Silver Shadow | Rolls-Royce Silver Shadow |
| Rolpe Dorje | Rolpe Dorje |
| ROM | ROM |
| Roma | Roma |
| Romagne | Romagna |
| romain | Roman |
| Romain de Tirtoff | Romain de Tirtoff |
| Romain du Puy | Roman of Le Puy |
| Romain Duris | Romain Duris |
| Romain Gary | Romain Gary |
| Romain Ier Lécapène | Romanos I |
| Romain II | Romanos II |
| Romain III Argyre | Romanos III |
| Romain IV | Romanos IV |
| Romain le Mélode | Romanos |
| Romain Rolland | Romain Rolland |
| Romaine | Roman |
