| Ochtman | Ochtman, Leonard | Ochtmersleben |
| Ochtozetus | Ochtrup | Ochtrup railway station |
| Ochtrup station | Ochtum | Ochu |
| Ochucuyana language | Ochudno | Ochugen |
| Ochuko Emuakpeje | Ochumba Lubandji | Ochumba Oseke |
| Ochumba Oseke Lubandji | Ochun | Ochunak |
| Ochuoa Middle School | Ochurdyap Mangdaev | Ochus |
| Ochus (butterfly) | Ochus (disambiguation) | Ochus (skipper) |
| Ochus Bochus | Ochus River | Ochus subvittatus |
| Ochuse | Ochuugen | Ochuunga |
| Ochwalkee Creek | Ochwiay Biano | Ochy Curiel |
| Ochy-bala | Ochyor | Ochyor (town) |
| Ochyor, Perm Krai | Ochyorskaya | Ochyorski |
| Ochyorski District | Ochyorski Raion | Ochyorskii |
| Ochyorskii District | Ochyorskii Raion | Ochyorskiy |
| Ochyorskiy District | Ochyorskiy Raion | Ochyorskoye |
| Ochyorskoye Urban Settlement | Ochyorsky | Ochyorsky (disambiguation) |
| Ochyorsky District | Ochyorsky Municipal District | Ochyorsky Raion |
| Ochyra | Ochyra (surname) | Ochyraea |
| Ochyraea tatrensis | Ochyrella | Ochyria |
| Ochyria discata | Ochyria inconspicua | Ochyria mediofascia |
| Ochyria quadrifasiata | Ochyria unitaeniata | Ochyrocera |
| Ochyrocera aragogue | Ochyrocera laracna | Ochyrocera ungoliant |
| Ochyroceratidae | Ochyromera | Ochyromera ligustri |
| Ochyropus | Ochyrorchis | Ochyrotica |
| Ochyrotica africana | Ochyrotica bjoernstadti | Ochyrotica borneoica |
| Ochyrotica breviapex | Ochyrotica buergersi | Ochyrotica celebica |
| Ochyrotica concursa | Ochyrotica connexiva | Ochyrotica cretosa |
| Ochyrotica diehli | Ochyrotica fasciata | Ochyrotica gielisi |
| Ochyrotica javanica | Ochyrotica koteka | Ochyrotica kurandica |
| Ochyrotica mexicana | Ochyrotica misoolica | Ochyrotica moheliensis |
| Ochyrotica placozona | Ochyrotica pseudocretosa | Ochyrotica rufa |
| Ochyrotica salomonica | Ochyrotica taiwanica | Ochyrotica toxopeusi |
| Ochyrotica yanoi | Ochyrotica zolotuhini | Ochyroticinae |
| OCI | Oci | OCI (company) |
| OCI (disambiguation) | Oci ciornie | OCI N.V. |
| OCI NV | OCIA | Ocian |
| Ociaskowo | Ociaz | Ociété des auteurs, compositeurs et éditeurs de musique |
| Ociąż | Ocięte | Ocişor |
| OCIC | Ocicat | Ocice |
| Ocice (disambiguation) | Ocice, Lower Silesian Voivodeship | Ocice, Tarnobrzeg |
| Ociciwan Contemporary Art Collective | Ocid | Ocidelus |
| Ocie Austin | Ocie Elliott | Ocie Richie |
| Ocie Smith | Ocie, Missouri | Ocie, MO |
| Ocieść | Ocieka | Ociel Baena |
| Ociel Baena Saucedo | Ociel Cardenas | Ocient |
| Ociesęki | Ociesc | Ocieseki |
| Ocieszyn | Ociete | Ociete des auteurs, compositeurs et editeurs de musique |
| Ocișor | Ocigrije | Ocihov |
| OCIJ | Ocile | OCILLA |
| Ocilla | Ocilla & Irwinville Railroad | Ocilla & Valdosta Railroad |
| Ocilla (disambiguation) | Ocilla (GA) | Ocilla and Irwinville Railroad |
| Ocilla and irwinville railroad | Ocilla and Valdosta Railroad | Ocilla and valdosta railroad |
| OCILLA details | Ocilla Public School | Ocilla River |
| Ocilla y Ladrera | Ocilla, GA | Ocilla, Ga. |
| Ocilla, Georgia | Ocilo | Ocimar de Almeida Júnior |
| Ocimar de Almeida Junior | Ocimar Versolato | Ocimar Versolatto |
| Ocimene | OCIMF | Ocimium tenuiflorum |
| Ocimum | Ocimum acutum | Ocimum africanum |
| Ocimum album | Ocimum americanum | Ocimum auricula |
| Ocimum × africanum | Ocimum × citriodorum | Ocimum basilicum |
| Ocimum basilicum var. minimum | Ocimum brachiatum | Ocimum campechianum |
| Ocimum canum | Ocimum centraliafricanum | Ocimum crispum |
| Ocimum dichotomum | Ocimum dimidiatum | Ocimum dinteri |
| Ocimum fluminense | Ocimum frutescens | Ocimum fruticulosum |
| Ocimum gratissimum | Ocimum hispidulum | Ocimum incanescens |
| Ocimum kilimandscharicum | Ocimum macrostachyum | Ocimum madagascariense |
| Ocimum menthoides | Ocimum micranthum | Ocimum minimum |
| Ocimum moschatum | Ocimum pilosum | Ocimum polystachyon |
| Ocimum prostratum | Ocimum sanctum | Ocimum stamineum |
| Ocimum tashiroi | Ocimum tenuiflorum | Ocimum thymoides |
| Ocimum x citriodorum | Ocin | Ocina |
| Ocina de Jos | Ocina de Sus | Ocinaplon |
| Ocinara | Ocinara abbreviata | Ocinara albiceps |
| Ocinara albicollis | Ocinara albivertex | Ocinara arabica |
| Ocinara attacoides | Ocinara bifurcula | Ocinara brunnea |
| Ocinara cervina | Ocinara cyproba | Ocinara diaphana |
| Ocinara diaphragma | Ocinara dilectula | Ocinara ficicola |
| Ocinara fuscocervina | Ocinara grisea | Ocinara lactea |
| Ocinara leucoides | Ocinara lida | Ocinara maculifrons |
| Ocinara malagasy | Ocinara moorei | Ocinara nitidoidea |
| Ocinara obliquisigna | Ocinara ochraceipennis | Ocinara pallicornis |
| Ocinara polia | Ocinara ruficollis | Ocinara signicosta |
| Ocinara signifera | Ocinara situla | Ocinara spiralis |
| Ocinara tamsi | Ocinara tetrapuncta | Ocinara varians |
| Ocinara versicolora | Ocinara waringi | Ocinara zolotuhini |
| Ocinaropsis | Ocinaropsis obscura | Ocinebra (Favartia) |
| Ocinebra circumtexta | Ocinebra lurida | Ocinebrellus |
| Ocinebrellus acanthophorus | Ocinebrellus falcatus | Ocinebrellus lumarius |
| Ocinebrina | Ocinebrina aciculata | Ocinebrina aciculata corallinoides |
| Ocinebrina aciculata exilis | Ocinebrina aciculatus | Ocinebrina buzzurroi |
| Ocinebrina carmelae | Ocinebrina corallinoides | Ocinebrina cyclopus |
| Ocinebrina edwardsi | Ocinebrina edwardsi albina | Ocinebrina edwardsi cincta |
| Ocinebrina edwardsi fasciatus | Ocinebrina edwardsi hispidula | Ocinebrina edwardsi mutica |
| Ocinebrina edwardsi var. albina | Ocinebrina edwardsi var. cincta | Ocinebrina edwardsi var. fasciatus |
| Ocinebrina edwardsi var. hispidula | Ocinebrina edwardsi var. mutica | Ocinebrina edwardsii |
| Ocinebrina epiphanea | Ocinebrina erronea | Ocinebrina foveolata |
| Ocinebrina gracillima | Ocinebrina helleri | Ocinebrina hispidula |
| Ocinebrina hybrida | Ocinebrina ingloria | Ocinebrina inordinata |
| Ocinebrina interfossa | Ocinebrina leukos | Ocinebrina lurida |
