| rutherfordium | rutherfordium |
| Ruthless People | Ruthless People |
| rutiel | rutile |
| Rutilius Namatianus | Rutilius Claudius Namatianus |
| Rutland | Rutland |
| Ruud Gullit | Ruud Gullit |
| Ruud Jolie | Ruud Adrianus Jolie |
| Ruud van Nistelrooy | Ruud van Nistelrooy |
| ruw | roughly |
| Ruw beemdgras | Poa trivialis |
| ruw geschat | about |
| ruw in de mond | foul-mouthed |
| ruw maken | coarsen |
| ruw spel | horseplay |
| ruw terrein | rough |
| Ruw vergeet-mij-nietje | Myosotis ramosissima |
| Ruwbladigenfamilie | Boraginaceae |
| ruwe diamant | rough diamond |
| ruwe haai | school shark |
| Ruwe katoen | Cotton |
| ruwe olie | crude |
| Ruwe petroleum | Petroleum |
| Ruwe pissebed | Porcellio scaber |
| Ruwe smele | Tufted Hair-grass |
| ruwe vezels | roughage |
| ruwen | roughen |
| ruwharig | shaggy |
| ruwheid | cruelty |
| ruwweg | about |
| Ruxandra Dragomir | Ruxandra Dragomir |
| Ruy Barbosa de Oliveira | Ruy Barbosa |
| Ruy López de Segura | Ruy López de Segura |
| Ruy López de Villalobos | Ruy López de Villalobos |
| ruzie | fight |
| Ruzie krijgen | Get in a quarrel |
| ruzie maken | fight |
| ruziemaker | contentious |
| ruziezoekend | argumentative |
| ruziezoekerig | argumentative |
| ruziën | fight |
| Rußbach | Rußbach |
| ruïne | ruin |
| ruïneren | destroy |
| ruïnering | ruin |
| Ruđer Bošković | Roger Joseph Boscovich |
| Ruše | Ruše |
| Ružomberok | Ružomberok |
| RV | RV |
| RW | RW |
| Rwanda | Rwanda |
| Rwanda nziza | Rwanda Nziza |
| Rwanda-tribunaal | International Criminal Tribunal for Rwanda |
| Rwandees voetbalelftal | Rwanda national football team |
| Rwandese frank | Rwandan franc |
| Rwandese genocide | Rwandan Genocide |
| RWE | RWE |
| RWTH Aken | RWTH Aachen |
| Ry | RY |
