| Rotholmen | Rotholmen, Stockholm | Rothonay |
| Rothorn | Rothorn (Andermatt) | Rothorn (Anniviers) |
| Rothorn (Baltschieder) | Rothorn (bergstopp i Österrike, Vorarlberg, Politischer Bezirk Bludenz, lat 47,18, long 9,98) | Rothorn (bergstopp i Schweiz, Bern, Interlaken-Oberhasli District) |
| Rothorn (bergstopp i Schweiz, Graubünden, Prättigau/Davos District, lat 46,83, long 10,02) | Rothorn (bergstopp i Schweiz, Uri, Uri, lat 46,59, long 8,61) | Rothorn (bergstopp i Schweiz, Uri, Uri, lat 46,69, long 8,52) |
| Rothorn (bergstopp i Schweiz, Valais, Brig District, lat 46,17, long 8,03) | Rothorn (bergstopp i Schweiz, Valais, Brig District, lat 46,20, long 8,09) | Rothorn (bergstopp i Schweiz, Valais, Brig District, lat 46,36, long 7,90) |
| Rothorn (bergstopp i Schweiz, Valais, Brig District, lat 46,43, long 8,04) | Rothorn (bergstopp i Schweiz, Valais, Leuk District) | Rothorn (bergstopp i Schweiz, Valais, Raron District) |
| Rothorn (bergstopp i Schweiz, Valais, Sierre District, lat 46,24, long 7,64) | Rothorn (bergstopp i Schweiz, Valais, Visp District, lat 46,25, long 7,94) | Rothorn (Chastelberg, Simplon) |
| Rothorn (Grengiols) | Rothorn (Hasliberg/Kerns) | Rothorn (Klosters) |
| Rothorn (Laggintal, Simplon) | Rothorn (Naters) | Rothorn (Sankt Niklaus) |
| Rothorn (Simplon) | Rothorn (Visperterminen) | Rothorn (Wassen) |
| Rothorn Spitze | Rothovius, Isak | Rothovius, Jonas |
| Rothpletzella | Rothrist | Rothrist (kommun, CH-AG) |
| Rothrist-Dorf | Rothrock, Cynthia | Rothrockia cordifolia |
| Rothrockia fruticosa | Rothrockia umbellata | Rothschild |
| Rothschild (auktor) | Rothschild (ö) | Rothschild (Fabergéägg) |
| Rothschild (olika betydelser) | Rothschild Island | Rothschild, Ile de |
| Rothschild, islote | Rothschild, Wisconsin | Rothschildella coxi |
| Rothschildia | Rothschildia affinis | Rothschildia amacurensis |
| Rothschildia amazonica | Rothschildia amoena | Rothschildia andensis |
| Rothschildia angulatus | Rothschildia arethusa | Rothschildia aricia |
| Rothschildia aroma | Rothschildia augias | Rothschildia aurata |
| Rothschildia aurota | Rothschildia balatana | Rothschildia belus |
| Rothschildia benjamini | Rothschildia betis | Rothschildia bogotana |
| Rothschildia bolivar | Rothschildia bucaya | Rothschildia campuzani |
| Rothschildia catenigera | Rothschildia cauca | Rothschildia chiris |
| Rothschildia cincta | Rothschildia condor | Rothschildia coxeyi |
| Rothschildia cruentata | Rothschildia draudti | Rothschildia encelades |
| Rothschildia equatoralis | Rothschildia erycina | Rothschildia ethra |
| Rothschildia fauvetyi | Rothschildia forbesi | Rothschildia fossilis |
| Rothschildia gounelli | Rothschildia guerreronis | Rothschildia hesperus |
| Rothschildia hoffmanni | Rothschildia hopfferi | Rothschildia imitator |
| Rothschildia inca | Rothschildia jacobaeae | Rothschildia jorulla |
| Rothschildia jorulloides | Rothschildia lebeau | Rothschildia lichtenba |
| Rothschildia luciana | Rothschildia lutea | Rothschildia martha |
| Rothschildia maurus | Rothschildia maurusius | Rothschildia melini |
| Rothschildia meridana | Rothschildia mexicana | Rothschildia micrinus |
| Rothschildia morana | Rothschildia mussehli | Rothschildia nigrescens |
| Rothschildia ochracea | Rothschildia olivenca | Rothschildia orbignyana |
| Rothschildia orizaba | Rothschildia paradoxa | Rothschildia paranensis |
| Rothschildia paucidentatat | Rothschildia paulista | Rothschildia pegasus |
| Rothschildia peruviana | Rothschildia poecilator | Rothschildia prionia |
| Rothschildia prionidia | Rothschildia procyon | Rothschildia pseudoguerreronis |
| Rothschildia rectilineata | Rothschildia rhodina | Rothschildia rhombifer |
| Rothschildia roxana | Rothschildia satyrus | Rothschildia schreiteri |
| Rothschildia schreiteriana | Rothschildia semiimmaculata | Rothschildia speculifer |
| Rothschildia speculizaba | Rothschildia speculum | Rothschildia splendida |
| Rothschildia spondiae | Rothschildia steinbachi | Rothschildia stuarti |
| Rothschildia surinamensis | Rothschildia triloba | Rothschildia tucumani |
| Rothschildia uruapana | Rothschildia venezuelensis | Rothschildia vibidia |
| Rothschildia vinacea | Rothschildia wagneri | Rothschildia xanthina |
| Rothschildia yucatana | Rothschildia zacateca | Rothschildiana |
| Rothschildiana kopsteini | Rothschildiana smiti | Rothschildkardinal |
| Rothschildopsylla | Rothschildopsylla noctilionis | Rothschilds félori |
| Rothschilds kivi | Rothschilds påfågelfasan | Rothselberg |
| Rothsey | Rothstein, Bo | Rothstein, Emil Edvard von |
| Rothugget | Rothus | Rothus auratus |
| Rothus purpurissatus | Rothus vittatus | Rothwald |
| Rothwasser | Rothwell | Rothwell (auktor) |
| Rothwell (ort) | Rothwell (parish i Northamptonshire) | Rothwell (parish i Storbritannien, Lincolnshire) |
| Rothwell (parish i Storbritannien, Northamptonshire, lat 52,42, long -0,79) | Rothwell Castle | Rothwell, Lincolnshire |
| Rothwell, Northamptonshire | Rothwell, Richard | Rothwell, West Yorkshire |
| Roti | Roti canai | Roti-eiland |
| Rotich, Laban | Rotifer confervicola | Rotifer maximus |
| Rotifer motacilla | Rotifer neptunius | Rotifer quadricircularis |
| Rotifer tardus | Rotifera | Rotiferophthora |
| Rotiferophthora angustispora | Rotiferophthora asymmetrica | Rotiferophthora attenuata |
| Rotiferophthora barronii | Rotiferophthora biconica | Rotiferophthora brevipes |
| Rotiferophthora cylindrospora | Rotiferophthora denticulospora | Rotiferophthora gallinova |
| Rotiferophthora globospora | Rotiferophthora guttulaspora | Rotiferophthora humicola |
| Rotiferophthora intermedia | Rotiferophthora lunatospora | Rotiferophthora microspora |
| Rotiferophthora ovispora | Rotiferophthora reniformis | Rotiferophthora rotiferorum |
| Rotiferophthora tagenophora | Rotiferophthora torquatospora | Rotiferophthora turbinaspora |
| Rotiferophthora zeaspora | Rotifunkia | Rotifunkia agallioides |
| Rotifunkia guttifera | Rotigonalia | Rotigonalia concedula |
| Rotigonalia curvula | Rotigonalia larissae | Rotigonalia olivacea |
| Rotilj | Rotimi Fani-Kayode | Rotimi Peters |
| Rotimojarvi | Rotimojärvi | Rotince |
| Rotindex | Rotino | Rotisk |
| Rotisk konsonant | Rotiska ljud | Rotislav I av Kiev |
| Rotjärn | Rotjev, Vasilij | Rotjev, Vasilij Pavlovitj |
| Rotjeva, Nina | Rotjeva, Olga | Rotkörvel |
| Rotkörvelsläktet | Rotkörvlar | Rotkirch |
| Rotklobb | Rotklobben | Rotklubb |
| Rotknöl | Rotkosaari | Rotkriteriet |
| Rotkrunni | Rotlös | Rotlöstjärn |
| Rotlöstjärnen | Rotlöstjärnen (Hede socken, Härjedalen, 694483-136349) | Rotlöstjärnen (Hede socken, Härjedalen, 694883-135790) |
| Rotliegendes | Rotling | Rotluoaivi |
| Rotlusblomflugor | Rotmanstjärnen | Rotmattvävare |
| Rotmoosferner | Rotmooskogel | Rotmorfem |
| Rotmos | Rotmund, Ernst | Rotmurkla |
| Rotmusseron | Rotna | Rotnagelskivling |
| Rotnamnsserver | Rotnästing | Rotnen |
| Rotnes | Rotoa | Rotoa distincta |
| Rotodynamisk pump | Rotodynamiska pumpar | Rotoe |
| Rotoerbadan | Rotogravyr | Rotogräs |
| Rotoinversion | Rotoita | Rotoita basalis |
| Rotoiti | Rotoiti (berg i Antarktis) | Rotoiti, Mount |
| Rotoitidae | Rotokas | Rotolante |
| Rotolante, Mount | Rotomelita | Rotomelita ana |
| Rotomelita lokoa | Rotonda | Rotonda, Basilicata |
