| RIVA 128 | RIVA TNT | RIVA TNT2 |
| Rivaldo | Rivaldo Vítor Borba Ferreira | Rivals.com |
| Rivanol | RIVER | RIVER (AKB48單曲) |
| RIVER (JKT48單曲) | River Falls, Alabama | River Forth |
| River's 543 | Rivera | Riverbank, California |
| Riverdale, North Dakota | Riverhillsoft | Riverina |
| Rivers Cuomo | Rivers of Blood speech | Riverside Stadium |
| Riverside, Alabama | Riverside, Wyoming | Riversleigh |
| Riversul | Riverton, Wyoming | Riverview, Alabama |
| Riviera Beach, Florida | Rivina | Rivina humilis |
| Rivne | Rivula curvifera | Rivulidae |
| Rivulus cylindraceus | Rivulus deltaphilus | Rivulus formosensis |
| Rivulus insulaepinorum | Rivulus janeiroensis | Rivulus karaja |
| Rivulus lanceolatus | Rivulus lazzarotoi | Rivulus limoncochae |
| Rivulus luelingi | Rivulus monticola | Rivulus nudiventris |
| Rivulus ornatus | Rivulus paracatuensis | Rivulus planaltinus |
| Rivulus punctatus | Rivulus rectocaudatus | Rivulus roloffi |
| Rivulus rubrolineatus | Rivulus simplicis | Rivulus speciosus |
| Rivulus staecki | Rivulus tenuis | Riya |
| Riyad al-Asad | Riyad Farid Hijab | Riyanto Subagja |
| RIZE | Rizwan Ahmed | Rizwan Azam |
| RJ-45 | RJ45 | RJAA |
| RJAH | RJ·米特 | RJ·賽勒 |
| RJC年度風雲車 | RJC年度风云车 | RJNT |
| RJOO | RJTT | Rk 62 |
| Rk 62突擊步槍 | RK 95 TP | Rk 95 TP |
| Rk 95 TP突擊步槍 | Rk-92 野蠻人 | Rk-92 野蛮人 |
| Rk-92 Savage | RKA | RKB |
| RKB毎日放送 | RKB每日放送 | RKC瓦尔韦克 |
| RKC華域克 | RKI FINANCE (2010) LIMITED | RKI FINANCE (2011) LIMITED |
| RKWard | RK札格瑞布 | RL |
| RL (複雜度) | RL10火箭发动机 | RLC |
| RLC电路 | RLC電路 | RL电路 |
| RLE | RLM | RLV-TD |
| RM | Rm (Unix) | RM-161標準三型飛彈 |
| RMB | RMB-93 | RMB-93霰彈槍 |
| RMB-93泵動式霰彈槍 | RMB-93泵動式散彈槍 | RMB-93散彈槍 |
| RMBS | Rmdir | RMHK |
| RMHKEP | RMIT | RMK |
| RMK30 | RMNZ | RMQ |
| RMS | Rms | RMVB |
| Rmvb | RMX | Rn |
| RNA | RNA 干涉 | RNA 干扰 |
| RNA 結構 | RNA thermometer | RNA thermosensor |
| RNA virus | RNA-dependent RNA polymerase | RNA-Seq |
| RNAa | RNA基因 | RNA合成 |
| RNA复制 | RNA密码子表 | RNA世界 |
| RNA世界假說 | RNA世界学说 | RNA世界學說 |
| RNA干涉 | RNA干擾 | RNA干擾現象 |
| RNA干扰 | RNA引擎 | RNA依賴性RNA聚合酶 |
| RNA列表 | RNA剪接 | RNA编辑 |
| RNA病毒 | RNA螺旋酶 | RNA聚合酶 |
| RNA聚合酶Ⅱ | RNA聚合酶連鎖反應 | RNA聚合酶II |
| RNA聚合酶V | RNA複製酶 | RNA誘導沉默複合體 |
| RNA诱导沉默复合体 | RNA转录 | RNA酶 |
| RNA酶P | RNA逆轉錄病毒 | RNAi |
| RNAse | RNase | RNase P |
| RNA提取 | RNA溫度傳感器 | RNA溫度計 |
| RNA激活 | RNA测序 | RnB |
| RNC | RN黑洞 | RNG |
| RNLI | RNN | RNP |
| RO | RO2 | Roa excelsa |
| Roa jayakari | Road Between | Road Dogg |
| Road Fighter (專輯) | ROAD KING INFRASTRUCTURE FINANCE (2007) LIMITED | Road No. 1 |
| Road of Resistance | Road To Ithaca | Road to Perdition |
| Road to Revolution: Live at Milton Keynes | Roadkill | RoadShow |
| Roadshow | RoadShow 至尊歌曲 | RoadShow至尊音乐颁奖礼 |
| RoadShow至尊音樂頒獎禮 | RoadShow至尊音樂頒獎禮2005 | RoadShow至尊歌曲 |
| Roald Dahl | Roald Hoffmann | Roanoke, Alabama |
| Roar | Roaring 20s | Roaring Twenties |
| Roßbach | Roßleithen | Rob Cohen |
| Rob Corddry | Rob Epstein | Rob Estes |
| Rob Halford | Rob Kirby | Rob Lowe |
| Rob Marshall | Rob Mayes | Rob Minkoff |
| Rob Morrow | Rob Pardo | Rob Refsnyder |
| Rob Riggle | Rob Schneider | Rob Van Dam |
| Rob Zombie | Robben | Robbert van Eijndhoven |
| Robbie Cordemans | Robbie Keane | Robbie Williams |
| Robbing the Cradle | Robby Ginepri | Robeline, Louisiana |
| Robert | Robert A. Heinlein | Robert Adam |
| Robert Altman | Robert Benton | Robert Borden |
| Robert Bresson | Robert Brown | Robert Brown (botanist) |
| Robert Brown Black | Robert Bruce Merrifield | Robert Buckley |
| Robert Bunsen | Robert Burns Woodward | Robert C. Michelson |
| Robert Cailliau | Robert Carlyle | Robert Cecil, 1st Viscount Cecil of Chelwood |
| Robert Charles Bell | Robert Christgau | Robert Clohessy |
| Robert Coleman Atkins | Robert Conquest | Robert Cornthwaite |
| Robert da Silva Almeida | Robert Daniel Refsnyder | Robert Davi |
| Robert David Keane | Robert De Niro | Robert de Niro |
| Robert Donat | Robert Downey Jr. | Robert Downey, Jr. |
| Robert Duvall | Robert E. Lee | Robert Edward Lee |
| Robert Englund | Robert F. Kennedy | Robert F. Young |
| Robert Falcon Scott | Robert Fano | Robert Fico |
| Robert Fogel | Robert Franklin Young | Robert Golding |
| Robert Gordon Menzies | Robert Graves | Robert H. Grubbs |
| Robert H. Jackson | Robert Harting | Robert Helpmann (Youtube頻道) |
| Robert Hoffman | Robert John Burke | Robert Johnson |
| Robert Joseph Dole | Robert K. Merton | Robert Kahn |
| Robert Kirkman | Robert Knepper | Robert Kocharyan |
| Robert Laird Borden | Robert Langdon | Robert Lefkowitz |
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