| Rotundene | Rotundichnus | Rotundiclipeidae |
| Rotundiclipeus | Rotundiclipeus canariensis | Rotundifolia |
| Rotundifolia (elm cultivar) | Rotundifolium | Rotundifolium (disambiguation) |
| Rotundifolius | Rotundine | Rotundists |
| Rotundivalva | Rotundo | Rotundo, David |
| Rotundone | Rotundrela | Rotundu |
| Rotundus | Rotunno | Roturas |
| Roturret | Rotvaer Lighthouse | Rotvatnet |
| Rotvælsk | Rotvær fyrstasjon | Rotvær Lighthouse |
| Rotvoll | Rotvoll controversy | Rotvoll Station |
| ROTW | Rotwand | Rotwand (Bavaria) |
| Rotwand (Bayern) | Rotwand (disambiguation) | Rotwandlspitze |
| Rotwang | Rotweiler | Rotweiller |
| Rotwelsch | Rotwesten | ROTWK |
| Rotwood | Rotwurst | Roty |
| Roty (disambiguation) | Roty, Bakhmut Raion | Rotylenchulidae |
| Rotylenchulkus reniformis | Rotylenchulus | Rotylenchulus parvus |
| Rotylenchulus reniformis | Rotylenchus | Rotylenchus brachyurus |
| Rotylenchus coheni | Rotylenchus fallorobustus | Rotylenchus goodeyi |
| Rotylenchus iperoiguensis | Rotylenchus multicinctus | Rotylenchus pararobustus |
| Rotylenchus robustus | Rotylenchus uniformis | Rotz |
| Rotz & Wasser | Rotz Glacier | Rotzak |
| Rotzberg Castle | Rotzloch | Rotzo |
| Rotzo Formation | Rotzsch | ROU |
| Rou | Rou (disambiguation) | ROU (disambiguation) |
| ROU 18 De Julio (DE-3) | ROU 18 de Julio (DE-3) | ROU 24 de Agosto |
| ROU Artigas (DE-2) | ROU Comandante Pedro Campbell | ROU Comandante Pedro Campbell (A-24) |
| ROU Comandante Pedro Campbell (C-4) | ROU Comandante Pedro Campbell (MS-31) | ROU Comandante Pedro Campbell (MSF-1) |
| Rou dai | Rou Dai Kaiôshin | Rou Dai Kaiōshin |
| Rou Dai Kaioshin | Rou fu | Rou gan |
| ROU General Artigas (02) | Rou gong men | Rou gu cha |
| Rou Gui | Rou gui | Rou Huo Shao |
| ROU Huracan | Rou jia mo | ROU Montevideo |
| ROU Montevideo (03) | Rou Pu Tuan Zhi Tou Qing Bao Qian | Rou putuan |
| Rou Ran | ROU Río Negro (11) | Rou Reynolds |
| Rou Shi | Rou song | ROU Uruguay (01) |
| ROU Uruguay (DE-1) | ROU Vanguardia | Rou'de Le'w Kayl |
| Rou, Alexander | Rou-ga-rou | Rou-Marson |
| Roua | Roua gas field | Rouached |
| Rouached District | Rouad Mahmoud Hasan Al Rab Ia | Rouadi |
| Rouage | Rouairoux | Roualeyn Bain |
| Roualeyn Cumming | Roualeyn Cumming-Bruce | Roualeyn George Gordon-Cumming |
| Roualeyn Gordon-Cumming | Roualeyn Hovell-Thurlow-Cumming-Bruce, 9th Baron Thurlow | Roualle |
| Rouamba, Olivia | Rouan, Daniel | Rouana |
| Rouanet | Rouanet Law | Rouans |
| Rouarne River | Rouass | Rouaud |
| Rouault | Rouault, Georges Henri | Rouay Jebabli |
| Rouède | Roué | Roué 20 |
| Roué Verveer | Rouécourt | Rouïba |
| Rouïba District | Rouïba Olympic Stadium | Rouba |
| Rouba Mhaissen | Roubache | Roubadeau Pass |
| Roubadeau Pass Gap | Roubaix | Roubaix (disambiguation) |
| Roubaix chronology | Roubaix Futsal | Roubaix Lille Métropole |
| Roubaix Lille Metropole | Roubaix Metropole Europeenne de Lille | Roubaix station |
| Roubaix Velodrome | Roubaix, a Light | Roubaix, France |
| Roubaix, Hauts-de-France | Roubaix, South Dakota | Roubaix, une lumière |
| Roubaix, une lumiere | Roubaix-Huy | Roubaix-Lille Métropole |
| Roubaix–Huy | Roubaix–Lille Métropole | Roubakis |
| Roubal | Roubalheiras | Roubalová |
| Roubani Kaambi | Roubanina | Roubanis |
| Roubanis (disambiguation) | Roubaud | Roubaud (disambiguation) |
| Roubaud, Benjamin | Roubaudia rufescens | Roubíček |
| Roubík | Roubbens Joseph | Roubedeau Pass |
| Roubel | Roubels | Rouben Abrahamian |
| Rouben Ambartzumian | Rouben Azizian | Rouben Galichian |
| Rouben Gregorian | Rouben Hakhverdian | Rouben Mamoulian |
| Rouben Mamulian | Rouben Melik | Rouben Paul Adalian |
| Rouben Ter Arutunian | Rouben Ter Minassian | Rouben Ter-Arutunian |
| Rouben V. Ambartzumian | Rouben Vesmadian | Rouben vesmadian |
| Roubenides | Roubi | Roubia |
| Roubicek | Roubicek, George | Roubideau Pass |
| Roubideaux | Roubidoux Creek | Roubidoux Formation |
| Roubidoux Passis | Roubidoux Spring | Roubidoux Township, Pulaski County, Missouri |
| Roubidoux Township, Texas County, Missouri | Roubidoux, Missouri | Roubik |
| Roubika | Roubikia | Roubiliac |
| Roubiliac, Louis Francois | Roubiliac, Louis-François | Roubillac |
| Roubin, Roubin | Roubing | Roubini |
| Roubini Global Economic Monitor | Roubini Global Economics | Roubini Global Economics Monitor |
| Roubion | Roublat | Rouble |
| Rouble Nagi | Rouble sign | Rouble, Patrick |
| Roubleau | Roubles | Roublot |
| Roubo workbench | Roucamps | Roucarie |
| Roucel | Roucela | Rouch |
| Rouch Point | Rouch, Peter | Rouchalin |
| Rouché theorem | Rouché's theorem | Rouché's Theorem |
| Rouché-Capelli theorem | Rouché-Frobenius theorem | Rouché–Capelli theorem |
| Rouchdi Redouane | Rouche | Rouche moutonnee |
| Rouche theorem | Rouche's theorem | Rouche's Theorem |
| Rouche-Capelli theorem | Rouche–Capelli theorem | Rouchefoucald |
| Rouchefoucauld | Rouchel Brook | Rouchelein |
| Rouchelin | Roucheria | Rouchet |
| Rouchi | Rouching | Rouchleau Mine |
| Rouchleau mine | Rouchleau Mine Pit | Rouchleau mine pit |
| Rouchon | Rouchovany | Rouci |
| Rouci Bile | Rouci Modre | Rouci Sedive |
| Roucka | Rouco Varela | Roucou |
| Roucourt | Roucourt (disambiguation) | Roucourt, Nord |
| Roucouyen | Roucouyene language | Roucy |
| Roud | Roud (disambiguation) | Roud Folk Song Index |
| Roud folk song index | Roud Folksong Index | Roud index |