| rompicapo | brainteaser |
| Rompighiaccio a propulsione nucleare | Nuclear powered icebreaker |
| rompiscatole | bore |
| Romrod | Romrod |
| Romsdal | Romsdal |
| Romuald Figuier | Romuald Figuier |
| Romualdo | Romuald |
| Romulani | Romulan |
| Romulus | Romulus and Remus |
| Romuva | Romuva |
| Romy Schneider | Romy Schneider |
| Romània | Latin Europe |
| Romário | Romário |
| RON | Ron |
| Ron Artest | Ron Artest |
| Ron Dennis | Ron Dennis |
| Ron Eldard | Ron Eldard |
| Ron Evans | Ronald Evans |
| Ron Jeremy | Ron Jeremy |
| Ron Matthews | Ron Matthews |
| Ron McGovney | Ron McGovney |
| Ron Paul | Ron Paul |
| Ron Robert Zieler | Ron-Robert Zieler |
| Ron Weasley | Ron Weasley |
| Ron Wood | Ron Wood |
| Ronald Firbank | Ronald Firbank |
| Ronald Fisher | Ronald Fisher |
| Ronald George Wreyford Norrish | Ronald George Wreyford Norrish |
| Ronald Koeman | Ronald Koeman |
| Ronald Laing | Ronald David Laing |
| Ronald McDonald | Ronald McDonald |
| Ronald Norrish | Ronald George Wreyford Norrish |
| Ronald Reagan | Ronald Reagan |
| Ronald Rivest | Ron Rivest |
| Ronald Wayne | Ronald Wayne |
| Ronaldinho | Ronaldinho |
| Ronaldo | Ronald |
| Ronaldo Aparecido Rodrigues | Ronaldo Aparecido Rodrigues |
| Ronaldo Rodrigues de Jesus | Ronaldo Rodrigues de Jesus |
| Roncal | Roncal |
| roncinato | runcinate |
| Roncisvalle | Roncesvalles |
| Ronco-sopra-Ascona | Ronco-sopra-Ascona |
| roncola | billhook |
| Roncole Verdi | Le Roncole |
| Roncq | Roncq |
| ronda | beat |
| rondeau | rondo |
| rondine | swallow |
| rondine comune | barn swallow |
| rondine di mare | tern |
| rondone | swift |
| rondone comune | swift |
| rondò | rotary |
| Rondônia | Rondônia |
| ronfare | purr |
| Rongellen | Rongellen |
| Rongorongo | Rongorongo |
| Ronneby | Ronneby |
| Ronnie James Dio | Ronnie James Dio |
| Ronnie Peterson | Ronnie Peterson |
| Ronnie Van Zant | Ronnie Van Zant |
| Ronquières | Ronquières |
| Ronsberg | Ronsberg |
| Ronshausen | Ronshausen |
| ronzante | growlingly |
| ronzare | buzz |
| ronzio | buzz |
| Rooikat | Rooikat AFV |
| Room on Fire | Room on Fire |
| Roosevelt | Roosevelt |
| Roosevelt Skerrit | Roosevelt Skerrit |
| Root nameserver | Root nameserver |
| Rootes | Rootes |
| Rootkit | Rootkit |
| Roots reggae | Roots reggae |
| Rophemel | Rophemel |
| Roppen | Roppen |
| Roppongi Hills | Roppongi Hills |
| Ropraz | Ropraz |
| Roque Júnior | Roque Júnior |
| Roque Santa Cruz | Roque Santa Cruz |
| Roquebrune-Cap-Martin | Roquebrune-Cap-Martin |
| Roquefort | Roquefort |
| Roraima | Roraima |
| Roran | Roran Garrowsson |
| Rorbas | Rorbas |
| Roronoa Zoro | Roronoa Zoro |
| Rorschach | Rorschach |
| Rorschacherberg | Rorschacherberg |
| Rory Gallagher | Rory Gallagher |
| Rorà | Rorà |
| rosa | pink |
| Rosa Bianca | White Rose |
| rosa canina | eglantine |
| Rosa Croce | Rosicrucian |
| rosa dei venti | compass rose |
| Rosa del deserto | Gypsum flower |
