| Ribosome | Ribosom |
| Ricardo Londono | Ricardo Londoño |
| Ricardo Londoño | Ricardo Londoño |
| Ricardo Rodríguez | Ricardo Rodríguez |
| Ricardo Rosset | Ricardo Rosset |
| Ricardo Zamora | Ricardo Zamora |
| Ricardo Zonta | Ricardo Zonta |
| Riccardo Paletti | Riccardo Paletti |
| Riccardo Patrese | Riccardo Patrese |
| rice | riž |
| Rice noodles | Riževi špageti |
| rich | bogat |
| Richard | Rihard |
| Richard Andree | Richard Andree |
| Richard Bach | Richard Bach |
| Richard Bong | Richard Ira Bong |
| Richard Dedekind | Julius Wilhelm Richard Dedekind |
| Richard Evelyn Byrd | Richard Evelyn Byrd |
| Richard Feynman | Richard Phillips Feynman |
| Richard Gere | Richard Gere |
| Richard Myers | Richard Bowman Myers |
| Richard Nixon | Richard Nixon |
| Richard Ramirez | Richard Ramirez |
| Richard Rorty | Richard Rorty |
| Richard Stallman | Richard Matthew Stallman |
| Richard Steele | Richard Steele |
| Richard Strauss | Richard Strauss |
| Richard Wagner | Richard Wagner |
| Richmond | Richmond |
| Richter magnitude scale | Richterjeva lestvica |
| Richter scale | Richterjeva lestvica |
| Richthofen | Richthofen |
| Rick Carey | Rick Carey |
| Ricotta cheese | Rikota |
| Riddler | Sfinga |
| Riemann zeta function | Riemannova funkcija zeta |
| Riesling | Renski rizling |
| rifle | puška |
| Rig Veda | Rigveda |
| Riga | Riga |
| Riga Airport | Riga |
| Riga International Airport | Riga |
| right | pravi |
| Right Livelihood Award | Right Livelihood Award |
| Right out | Pravo |
| Right-wing politics | Premica |
| Rights in rem | Stvarno pravo |
| Rigid airship | Cepelin |
| Rigid body dynamics | Togo telo |
| Rigveda | Rigveda |
| Rijeka | Reka |
| Rila | Rila |
| Rila Monastery | Rilski samostan |
