| Oblast Chernihiv | Oblast chernihiv | Oblast Chernivtsi |
| Oblast chernivtsi | Oblast Chita | Oblast chita |
| Oblast di Kazakhstan | Oblast di Rusia | Oblast di Ukraina |
| Oblast Dnipropetrovsk | Oblast dnipropetrovsk | Oblast Donets'k |
| Oblast Donetsk | Oblast donetsk | Oblast Fergana |
| Oblast Irkutsk | Oblast irkutsk | Oblast Ivano-Frankivsk |
| Oblast ivano-frankivsk | Oblast Ivanovo | Oblast ivanovo |
| Oblast Kaliningrad | Oblast kaliningrad | Oblast Kaliningradskaya |
| Oblast Kaluga | Oblast kaluga | Oblast Kamchatka |
| Oblast kamchatka | Oblast Kars | Oblast kars |
| Oblast Kemerovo | Oblast kemerovo | Oblast Kharkiv |
| Oblast kharkiv | Oblast Kharkov | Oblast Kherson |
| Oblast kherson | Oblast Kherson (Rusia) | Oblast Khmelnytskyi |
| Oblast khmelnytskyi | Oblast Khorazm | Oblast kiev |
| Oblast Kiev | Oblast Kirov | Oblast kirov |
| Oblast Kirovohrad | Oblast kirovohrad | Oblast Kostroma |
| Oblast kostroma | Oblast Krimea | Oblast krimea |
| Oblast Kurgan | Oblast kurgan | Oblast Kursk |
| Oblast kursk | Oblast Kyiv | Oblast Kyzylorda |
| Oblast Leningrad | Oblast leningrad | Oblast Lipetsk |
| Oblast lipetsk | Oblast Lugansk | Oblast Luhansk |
| Oblast luhansk | Oblast Lviv | Oblast lviv |
| Oblast Magadan | Oblast magadan | Oblast Moscow |
| Oblast Moskwa | Oblast moskwa | Oblast Murmansk |
| Oblast murmansk | Oblast Mykolaiv | Oblast mykolaiv |
| Oblast Namangan | Oblast Navoiy | Oblast Nizhniy Novgorod |
| Oblast Nizhny Novgorod | Oblast nizhny novgorod | Oblast Novgorod |
| Oblast novgorod | Oblast Novosibirsk | Oblast novosibirsk |
| Oblast Odesa | Oblast odessa | Oblast Odessa |
| Oblast Omsk | Oblast omsk | Oblast Orel |
| Oblast Orenburg | Oblast orenburg | Oblast Oryol |
| Oblast oryol | Oblast otonom | Oblast otonom di Rusia |
| Oblast Otonom Gorno-Badakhshan | Oblast Otonom Krimea | Oblast Otonom Nagorno-Karabakh |
| Oblast otonom rusia | Oblast otonom Rusia | Oblast Otonom Tuva |
| Oblast otonom tuva | Oblast Otonom Yahudi | Oblast otonom yahudi |
| Oblast otonom Yahudi | Oblast otonomi di Rusia | Oblast Otonomi Tuva |
| Oblast Otonomi Yahudi | Oblast Penza | Oblast penza |
| Oblast Poltava | Oblast poltava | Oblast Pskov |
| Oblast pskov | Oblast Qashqadaryo | Oblast Qızılorda |
| Oblast Rivne | Oblast rivne | Oblast Rostov |
| Oblast rostov | Oblast Rusia | Oblast Ryazan |
| Oblast ryazan | Oblast Sakhalin | Oblast sakhalin |
| Oblast Samara | Oblast samara | Oblast Samarqand |
| Oblast Saratov | Oblast saratov | Oblast Sirdaryo |
| Oblast Smolensk | Oblast smolensk | Oblast sofia |
| Oblast Sofia | Oblast Sumy | Oblast sumy |
| Oblast Surkhondaryo | Oblast Sverdlovsk | Oblast sverdlovsk |
| Oblast Tambov | Oblast tambov | Oblast Ternopil |
| Oblast ternopil | Oblast Tomsk | Oblast tomsk |
| Oblast Toshkent | Oblast Tula | Oblast tula |
| Oblast Tver | Oblast tver | Oblast Tyumen |
| Oblast tyumen | Oblast Ulyanovsk | Oblast ulyanovsk |
| Oblast Vinnytsia | Oblast vinnytsia | Oblast Vladimir |
| Oblast vladimir | Oblast Volgograd | Oblast volgograd |
| Oblast Vologda | Oblast vologda | Oblast Volyn |
| Oblast volyn | Oblast Voronezh | Oblast voronezh |
| Oblast Yaroslavl | Oblast yaroslavl | Oblast Zakarpattia |
| Oblast zakarpattia | Oblast zaporizhia | Oblast Zaporizhia |
| Oblast Zaporizhia (Rusia) | Oblast Zaporizhzhia | Oblast Zaporozhye |
| Oblast Zhizzakh | Oblast Zhytomyr | Oblast zhytomyr |
| Oblasts of Ukraine | Oblat | Oblat Maria Imakulata |
| Oblat maria imakulata | Oblat Maria Immaculata | Oblat maria immaculata |
| Oblat Misionaris Maria Imakulata | Obligasi | Obligasi Formosa |
| Obligasi internasional | Obligasi konversi | Obligasi Negara Ritel |
| Obligasi negara ritel | Obligasi opsi beli | Obligasi pemerintah |
| Obligasi perang | Obligasi perusahaan | Obligasi Rekap |
| Obligasi rekap | Obligasi rekapitalisasi | Obligasi Ritel Indonesia |
| Obligasi sampah | Obligasi swasta | Obligasi tanpa bunga |
| Obligasi tukar | Obligasi wajib konversi | Oblinghem |
| Oblivion | Oblivion (film 2013) | Obložené chlebíčky |
| Obluchye, Oblast Otonom Yahudi | Obnovleniye | Obo |
| Obo Balingara, Nuhon, Banggai | Obo, Kuri, Teluk Bintuni | Obo, kuri, teluk bintuni |
| Obock | Obodrite | Oboe |
| Oboh, Rundeng, Subulussalam | Oboh, rundeng, subulussalam | Oboi |
| Obok Balingara, Nuhon, Banggai | Obolma, Kurima, Yahukimo | Obolos |
| Obolos Kharon | Obolos kharon | Obolus |
| Oboma | Obon | Obon Tabroni |
| Obon tabroni | Obor | OBOR |
| Obor Olimpiade | Obor plasma | Obor tiup |
| Oborniki | Oborniki Śląskie | Oborniki śląskie |
| Oboronprom | Obot | Obote |
| Obote (disambiguasi) | Obotrite | Obra |
| Obradoiro Club de Amigos do Baloncesto | Obrascón Huarte Lain | Obrechies |
| Obreck | Obrenovac | Obrenović |
| Obrida | Obrida comata | Obrida fascialis |
| Obriini | Obrimona tennenti | Obrioclytus |
| Obrioclytus kenyensis | Obrioclytus rotundooculatus | Obrium |
| Obrium aegrotum | Obrium akikoae | Obrium albifasciatum |
| Obrium angulosum | Obrium annulicorne | Obrium arciferum |
| Obrium balteatum | Obrium bartolozzii | Obrium batesi |
| Obrium beckeri | Obrium bicolor | Obrium bifasciatum |
| Obrium brevicorne | Obrium brunneum | Obrium californicum |
| Obrium cantharinum | Obrium castaneomarginatum | Obrium cephalotes |
| Obrium cicatricosum | Obrium circumcinctum | Obrium circunflexum |
| Obrium clerulum | Obrium complanatum | Obrium constricticolle |
| Obrium consulare | Obrium coomani | Obrium cordicolle |
| Obrium costaricum | Obrium cribripenne | Obrium cruciferum |
| Obrium dimidiatum | Obrium discoideum | Obrium dominicum |
| Obrium elongatum | Obrium facetum | Obrium filicorne |
| Obrium formosanum | Obrium fractum | Obrium fumigatum |
