| Rotary International | Rotary International |
| rotations- | rotatorio |
| Rotationshastighet | Velocità angolare |
| Rotationskropp | Solido di rotazione |
| rotationspunkt | fulcro |
| Rotenburg an der Fulda | Rotenburg an der Fulda |
| Rotenon | Rotenone |
| rotera | ruotare |
| roterande | rotatorio |
| roterugn | forno a suola rotante |
| Rotes Rathaus | Rotes Rathaus |
| rotfast | radicato |
| rotfrukt | tubero |
| Rothenbrunnen | Rothenbrunnen |
| Rothenburg ob der Tauber | Rothenburg ob der Tauber |
| Rothenfluh | Rothenfluh |
| Rotherham | Rotherham |
| Rothrist | Rothrist |
| Rothschild | Rothschild |
| rotknöl | tubero |
| rotlös | senza radici |
| Rotorua | Distretto di Rotorua |
| rotselleri | sedano rapa |
| rotstock | rizoma |
| rottecken | segno di radice |
| Rotten Apples | Greatest Hits |
| Rottenschwil | Rottenschwil |
| Rotterdam | Rotterdam |
| Rottweil | Rottweil |
| Rottweiler | Rottweiler |
| Roubaix | Roubaix |
| Rouen | Rouen |
| rouge | fard |
| Rougemont | Rougemont |
| Rough Trade Records | Rough Trade Records |
| Rougsø kommun | Rougsø |
| Round-trip delay time | Round Trip Time |
| Roundup | Roundup |
| Router | Router |
| Routing Information Protocol | Routing Information Protocol |
| rov | rapina |
| rov- | predatore |
| rova | rapa |
| Rovaniemi | Rovaniemi |
| rovdjur | carnivori |
| Rovdjuret | Predator |
| rovdjurs- | predatore |
| Rover | Rover |
| Roverandom | Roverandom |
| Roveredo | Roveredo |
| Roverscout | Rover |
| Rovfjäril | Pieris rapae |
| rovfågel | uccello da preda |
| rovfågelnäste | nido di rapace |
| Rovfåglar | Accipitriformes |
| rovgirig | rapace |
| Rovigo | Provincia di Rovigo |
| Rovinj | Rovigno |
| Rovio | Rovio |
| Rovray | Rovray |
| Rovskalbaggar | Adephaga |
| Rowan Atkinson | Rowan Atkinson |
| Roxana | Rossane |
| Roxann Dawson | Roxann Dawson |
| Roxanne | Roxanne |
| Roxas City | Roxas |
| Roy Eldridge | Roy Eldridge |
| Roy Emerson | Roy Emerson |
| Roy Keane | Roy Keane |
| Roy Lichtenstein | Roy Lichtenstein |
| Roy Makaay | Roy Makaay |
| Roy Scheider | Roy Scheider |
| Royal Air Force | Royal Air Force |
| Royal Albert Hall | Royal Albert Hall of Arts and Sciences |
| Royal Ballet | Royal Ballet |
| Royal Bank of Scotland | Royal Bank of Scotland |
| Royal Borough of Windsor and Maidenhead | Royal Borough of Windsor and Maidenhead |
| Royal Gala | Gala Rizzato |
| Royal Jordanian Airline | Royal Jordanian |
| Royal League | Royal League |
| Royal Mail Ship | Royal Mail Ship |
| Royal Marines | Royal Marines |
| Royal Navy | Royal Navy |
| Royal Opera House | Royal Opera House |
| Royal Rumble | WWE Royal Rumble |
| Royal Society | Royal Society |
| Royal Tenenbaums | I Tenenbaum |
| Royston Drenthe | Royston Drenthe |
| Rožaje | Rožaje |
| RP | RP |
| RPG | RPG |
| RPK | RPK |
| RPM | RPM |
| RSA | RSA |
| RSC Anderlecht | Royal Sporting Club Anderlecht |
| RSHA | Reichssicherheitshauptamt |
| RSI | Relative Strength Index |
| RSS | Really simple syndication |
| Rsvp | RSVP |
| RT-PCR | Reverse transcriptase-polymerase chain reaction |
| RTK | Radio Televizioni i Kosovës |
| RTL Group | RTL Group |
| RTOS | Sistema operativo real-time |
| RTR | Rossiya Airlines |
| RTSP | Real Time Streaming Protocol |
| RU | RU |
| rubba | scombussolare |
| rubbad | turbato |
| rubel | rublo |
