| Ruby | Ruby Bhatia | Ruby Blue |
| Ruby Jerins | Ruby on Rails | Ruby on rails |
| Ruby Tuesday | Rubycon | RubyGems |
| RubyMine | RUC | RuCenter |
| Rucervus duvaucelii | Rucervus eldii | Rucervus schomburgki |
| RUCOM | Rud Immanuel Langgaard | RuDa |
| Ruda | Rudas gyógyfürdő | Rudé právo |
| Rudé Právo | Rudbeckia | Rudbeckia hirta |
| Rudbeckia purpurea | Rude | Rude Awakening |
| Rude Awakening (DVD) | Rude Boy | Rude boys |
| Rude Boys | Rudebox | Rudel |
| Rudge | Rudi Assauer | Rudi Bommer |
| Rudi Garcia | Rudi Gutendorf | Rudi Kargus |
| Rudi Schuricke | Rudi Völler | Rudi Zygadlo |
| Rudiger Vogler | Rudimental | Rudimentary Peni |
| Rudisiricius | Rudisiricius belli | Rudnei da Rosa |
| Rudolf August Wilhelm Bockelmann Louis | Rudolf Brunnenmeier | Rudolf Caracciola |
| Rudolf Franz Joseph Bing | Rudolf Gutendorf | Rudolf Heinrich Greinz |
| Rudolf Kampf | Rudolf Kämpf | Rudolf Kämpf Porzellan fabrik GmbH, Grünlas |
| Rudolf Keller | Rudolf Kirchschläger | Rudolf Klein-Rogge |
| Rudolf Kner | Rudolf Leuckart | Rudolf Mayer |
| Rudolf Meringer | Rudolf Morsey | Rudolf Oskar Max Cahnbley |
| Rudolf Rimmel | Rudolf Schenker | Rudolf Sefanias Koivu |
| Rudolf Simek | Rudolf Spielmann | Rudolf Swoboda der Jüngere |
| Rudolf von Bitter Rucker | Rudolfsheim-Fünfhaus | Rudolfsheim-Fuenfhaus |
| Rudolph | Rudolph A. Marcus | Rudolph Felder |
| Rudolph Friedrich Hohenacker | Rudolph Leuckart | Rudolph Petschi |
| Rudolph the Red-Nosed Reindeer | Rudolph The Red-Nosed Reindeer | Rudolph, the Red-Nosed Reindeer |
| Rudolph, The Red-Nosed Reindeer | Rudolphi | RUDP |
| Rudra | Rudra (группа) | Rudra (значения) |
| Rudra no Hihō | Rudra no Hiho | Rudra no Hihou |
| Rudström | Rudy (танк) | Rudy Gay |
| Rudy Gonzalez | Rudy LaRusso | Rudy Molard |
| Rudy Riou | Rudy Sarzo | Rudy Tomjanovich |
| Rudy Vallée | Rudy Vallee | Rudyard Kipling |
| Rue de la Paix | Rueda de Casino | Ruelle (певица) |
| Ruellia | Ruellia (Acanthaceae) | RUF |
| Ruf Automobile | Ruf CTR | Ruf Rt 12 |
| Ruff Ryders | Ruff Ryders Entertainment | Ruffey |
| Ruffin | Rufibrenta ruficollis | Rufus |
| Rufus & Chaka | Rufus (band) | Rufus (группа) |
| Rufus and Chaka Khan | Rufus featuring Chaka Khan | Rufus Thomas |
| Rufus Thomas, Jr. | Rufus Wainwright | Rufus with Chaka Khan |
| Rugambwa | Rugby Calvisano | Rugby club toulonnais |
| Rugby Europe | Rugby Football Union Championship | Rugby League International Federation |
| Rugby League World Cup | Rugby Pro D2 | Rugby School |
| Rugby Super League | Rugby Zebre | Rugby-Bundesliga |
| Ruger Deerfield Carbine | Ruger Mini-14 | Ruger MK III |
| Ruger MK IV | Ruger P series | Ruger Police Carbine |
| Ruger Red Label | Ruger Security Six | Ruger Single Six |
| Ruger Single-Six | Ruger SR-556 | Ruger SR1911 |
| Ruger SR45 | Ruger SR9 | RugGear RG970 |
| Ruggero Leoncavallo | Ruggero Pertile | Ruggero Raimondi |
| Rugia | Rugia Island | Rugilus |
| Rugopimpla angusticella | Rugopimpla botswana | Rugopimpla fallax |
| Rugopimpla macra | Rugopimpla matrona | Rugopimpla vulgaris |
| Rugops | Rugosa | Rugrats |
| Ruh | Ruhr-Sieg-Express | Ruhr-Viadukt |
| Ruhr-Viadukt (Herdecke) | Ruhrgas AG | Ruhrschleuse Duisburg |
| Ruhrschleuse Mülheim | Ruhrschleuse Mulheim | Ruhrstadion |
| Ruhrstahl X-4 | Ruhrstahl X-7 | Ruhrstauseen |
| Rui Campos | Rui Naiwei | Ruidle nan Coileach Dhubha |
| Ruili Airlines | RUIM | Ruin Explorers |
| Ruin Jonny's Bar Mitzvah | Ruin Jonny’s Bar Mitzvah | Ruinart |
| Ruination | Ruining It for Everybody | Ruins |
| Ruins (японская группа) | Ruins Legend Acrobunch | Ruislip Manor (станция метро) |
| Ruisrock | Ruivo | Ruiz |
| RUJEN | Rujen.ru | Ruki |
| Rukwapithecus | Rukwapithecus fleaglei | Rula |
| Rule Britannia | Rule Interchange Format | Rule of Rose |
| Rule, Britannia! | Rulebreaker | Ruled Britannia |
| Rulers of Nations: Geo-Political Simulator 2 | Rules of engagement | Rulison (испытание) |
| Rulli | Rullo | Rum, Sodomy, and the Lash |
| RUM-139 VL-Asroc | RUM-139 VL-Asroc (ПЛУР) | Rumantsch |
| RUMAS-A245 | Rumble | Rumble in the Jungle |
| Rumble Pack | Rumble Pak | Rumble seat |
| Rumbling Hearts | Rumeal Robinson | Rumer Glenn Willis |
| Rumex | Rumex acetosa | Rumex acetosella |
| Rumex aquaticus | Rumex arcticus | Rumex biformis |
| Rumex confertus | Rumex crispus | Rumex fontanopaludosus |
| Rumex kamtschadalus | Rumex maritimus | Rumex obtusifolius |
| Rumex patientia | Rumex protractus | Rumex rossicus |
| Rumex ursinus | Ruminantia | Rummenigge |
| Rumo | Rumor Has It | Rumor Has It (альбом) |
| Rumors | Rumour Has It | Rumours |
| Rumours (Хор) | Rumours (значения) | Rumph. |
| Rumpler | Rumpler Taube | Rumputris fasciculata |
| Run | Run (Скандал) | Run and gun |
| Run Away | Run Devil Run | RUN DMC |
| Run DMC | Run Dmc | Run Flat |
| Run flat | Run for Cover | Run For Cover |
| Run for Cover (альбом) | Run for Your Life | Run Like Hell |
| Run Like Hell (видеоигра) | Run Like Hell (игра) | Run On |
| Run Rabbit Run | Run Saga run | Run the Jewels |
| Run time | Run to the Hills | Run to You |
| Run to You (песня Брайана Адамса) | Run, Candace, Run | Run, Candace, Run! |
| Run-and-gun | Run-D.M.C | Run-D.M.C. |
| Run-D.M.C. (альбом) | Run-D.M.C. (значения) | Run-DMC |
| Run-flat | Runa Capital | Runaround Sue |
| Runaway | Runaway (U & I) | Runaway (игра) |
