| RT-PCR | RT.com | RT90 |
| Rta | RTÉ | RTB-familj |
| RTBF | RTC | RTC-leasing |
| RTCC | RTCG | RTCG (Radio Televizija Crne Gore) |
| RTCM SC-104-format | RTCM-format | RTCP |
| Rtcw | RTD | RTE |
| RTECS | RTECS PA6410000 | RTF |
| Rtisjtjevo | RTK | RTK (Radiotelevizioni i Kosovës) |
| RTK (tv-kanal) | RTK (TV-kanal) | RTK 1 |
| RTL | RTL (Ungern) | RTL Biathlon 2008 |
| RTL Group | RTL Klub | RTL KLUB |
| RTL plus | RTL Television | Rtlina |
| RTLM | RTM | RTorrent |
| RTOS | RTP | RTP Internacional |
| RTR | RTR Planeta | RTS |
| Rts | RTS (Radio-televizija Srbije) | RTS Ronald Reagan Ballistic Missile Defense Test Site |
| RTSH | RTSH Festival | RTSP |
| Rtt | RTT | RTV 1879 Basel |
| RTV Basel | RTV Drenthe | RTVBiH |
| RTVE | RTVV | RTX |
| Rtyně nad Bílinou | Rtyně v Podkrkonoší | Rtyne nad Bilinou |
| Rtyne v Podkrkonosi | Rtype | RU |
| Ru | Ru (Nalle Puh) | Ru (olika betydelser) |
| RU Camelopardalis | RU Cassiopeiae | Ru Guang |
| Ru na Brarin | RU Ursae Minoris | Ru Zhijuan |
| RU-38 | Rua | Rua (hunnerkung) |
| Rua (olika betydelser) | Rua Island | Rua, A |
| Rua, Fernando de la | Rua, Mauricio | Ruaa To |
| RUAB | Ruabon | Ruabon (community) |
| Ruabon (ort) | Ruacana Falls | Ruacodes |
| Ruacodes tela | Ruad Island | Ruadh Stac |
| Ruadh Stac Mòr | Ruadh Stac Mor | RUAG Aerospace |
| RUAG Aerospace Sweden | RUAG Aerospace Sweden AB | RUAG Space |
| Ruag space | Ruagea | Ruagea augusti |
| Ruagea caoba | Ruagea floribunda | Ruagea glabra |
| Ruagea hirsuta | Ruagea insignis | Ruagea jelskiana |
| Ruagea membranacea | Ruagea microphylla | Ruagea mollicoma |
| Ruagea ovalis | Ruagea pilanthera | Ruagea pubescens |
| Ruagea raimondii | Ruagea silviandina | Ruagea smithii |
| Ruagea subviridiflora | Ruagea surutuensis | Ruagea tessmannii |
| Ruagea tomentosa | Ruagea trisperma | Ruagea weberbaueri |
| Ruagea yungasana | Ruages | Ruaha nationalpark |
| Ruahatermitskvätta | Ruahatoko | Ruahusualoi |
| Ruaidrí Ua Conchobair | Ruaig | Ruairi Quinn |
| Rualena | Rualena alleni | Rualena avila |
| Rualena balboae | Rualena cavata | Rualena cockerelli |
| Rualena cruzana | Rualena goleta | Rualena magnacava |
| Rualena pasquinii | Rualena rua | Rualena simplex |
| Rualena surana | Ruamowhitia | Ruamowhitia orae |
| Ruan | Ruan Lingyu | Ruan Lufei |
| Ruan Major | Ruan Minor | Ruan, Lingyu |
| Ruan, Loiret | Ruan-sur-Egvonne | Ruanda |
| Ruanda (djur) | Ruanda (olika betydelser) | Ruanda aetheria |
| Ruanda eleuteriopsis | Ruanda-Urundi | Ruandella |
| Ruandella capensis | Ruandella stigmosa | Ruandella tertia |
| Ruandella testacea | Ruanderoma | Ruanderoma sankarani |
| Ruandopsis | Ruandopsis bunyensis | Ruandopsis fasciata |
| Ruandopsis flavoscutellata | Ruandopsis kayovea | Ruandopsis nigrastriata |
| Ruanes | Ruangrupa | Ruanjiao |
| Ruanlanihorne | Ruanlou | Ruanlou Xiang |
| Ruano Pascual, Virginia | Ruanoho | Ruanoho decemdigitatus |
| Ruanoho whero | Ruanshi (köpinghuvudort i Kina, Zhejiang Sheng, lat 29,88, long 120,38) | Ruanshi Zhen |
| Ruapehu | Ruapehu District | Ruapukea |
| Ruapukea allanae | Ruapukea carolus | Ruardean |
| Ruardean (ort) | Ruardean (parish) | Ruardean Woodside |
| Ruark, J Edward | Ruashi | Ruashi (gruva) |
| Ruashi (stadsdel) | Ruashi (vattendrag) | Ruaudin |
| Ruşan | Rußbach | Rußbach (kommun) |
| Rußbach am Paß Gschütt | Ruayer | Ručičky |
| Ručiūnai | Ručiūnų | Ručkūnų |
| Ruščuk | Ruševac | Ruševo |
| Ruáhusuáloi | Rušinov | Rušta |
| Ruávisuáloi | Ruávisuálui | Ruändan |
| Ruças | Ruíz | Ruíz (kommun) |
| Ruíz Cortines Número Tres | Ruïnes d'Empúries | Ružinci |
| Ružomberok | Ruđer Bošković | Ruđer Bošković-institutet |
| Ruđer Boškovićs ackrediterade klassiska stiftsgymnasium | Ruđer Boškovićs torg | Ruđer Josip Bošković |
| Ruđer Josip Bosković | Ru’ao (köpinghuvudort i Kina, Zhejiang Sheng, lat 29,36, long 120,92) | Ru’ao Zhen |
| Ru’aysat an Nāţūr | RUB | Rub |
| Rub al Chali | Rub al Khali | Rub al-Chali |
| Rub al-Khali | Rub' al Khali | Rub' al-Chali |
| Rub' al-Khali | Ruba | Ruba (tvåvingar) |
| Ruba amboinense | Ruba cincta | Ruba fuscipennis |
| Ruba inflata | Ruba opponens | Ruba tarsalis |
| Rubab Muhibb | Rubab Raza | Rubachia antonia |
| Rubachia glomerata | Rubachia involucrata | Rubachia lateriflora |
| Rubachia neuwiedeana | Rubachia obumbrans | Rubachia spathulata |
| Rubachia spiciflora | Rubachia spiciflora var. grandifolia | Rubaijat |
| Rubaiyat | Rubalcabo | Ruban Island |
| Ruban, Viktor | Rubande | Rubande (vattendrag i Burundi) |
| Rubank | Rubano | Rubano, Matt |
| Rubanostreptus | Rubanostreptus anulatus | Rubanostreptus argus |
| Rubanostreptus confusus | Rubanostreptus coriaceus | Rubanostreptus dauphini |
| Rubanostreptus fulgens | Rubanostreptus gonospinosus | Rubanostreptus kalobaptus |
| Rubanostreptus leprosus | Rubanostreptus macilentus | Rubanostreptus metazonalis |
| Rubanostreptus moromangae | Rubanostreptus multiporus | Rubanostreptus nigritus |
| Rubanostreptus piesthopygus | Rubanostreptus politifrons | Rubanostreptus praepolitus |
| Rubanostreptus procerus | Rubanostreptus punctatulus | Rubanostreptus scabricollis |
| Rubanostreptus seychellarum | Rubanostreptus speculorbis | Rubanostreptus sulcicollis |
| Rubar, Evin | Rubarandwa | Rubarth, Mats |
