| At Last | At Samat (huyện) | At Ta'iziyah (huyện) |
| At Taffah (huyện) | At Tahrir (huyện) | At Tawilah (huyện) |
| At Tuhayat (huyện) | AT&T | At&t |
| AT&T Corporate Center | AT-1 Snapper | AT-10 Stabber |
| AT-10 Wichita | AT-11 Sniper | AT-12 Swinger |
| AT-13 Saxhorn-2 | AT-14 Spriggan | AT-15 Khrizantema |
| AT-15 Springer | AT-16 Scallion | AT-18 Hudson |
| AT-2 Swatter | AT-20 | AT-21 Gunner |
| AT-22 Liberator | AT-23 Marauder | AT-24 Mitchell |
| AT-3 Sagger | AT-3 Zìqiáng | AT-4 Spigot |
| AT-5 Spandrel | AT-6 Spiral | AT-7 Saxhorn |
| AT-8 Songster | AT-9 Spiral-2 | ATA |
| Ataçınar, Mazgirt | Atabağı, Baykan | Atabail, Mundgod |
| Atabakan, Doğubayazıt | Atabapo (khu tự quản) | Atabey |
| Atabey Çiçek | Atabeyli, İnebolu | Atabindi, Tutak |
| Ataboruza divisa | Atabulus faustus | Atacama |
| Atacamatitan | Atacira | Ataco |
| Atacta argentifrons | Atacta brasiliensis | Atacta crassiceps |
| Atacta crescentis | Atactopsis facialis | Atactopsis reinhardi |
| Atactosturmia politana | Atactosturmia vittata | Atadamı, Diyadin |
| Atadoğdu, Tunceli | Ataenidia | Ataenidia conferta |
| Ataeniobius | Ataeniobius toweri | Ataenius |
| Ataeymir, Karacasu | Atagema | Atago (lớp tàu khu trục) |
| Atago (tàu tuần dương Nhật) | Atagollahalli, Sidlaghatta | Atahualpa |
| Atajate | Atakapa | Ataköy, Afyonkarahisar |
| Ataköy, Ahmetli | Ataköy, Aksaray | Ataköy, Almus |
| Ataköy, Altıeylül | Ataköy, Ünye | Ataköy, Çarşamba |
| Ataköy, Çaykara | Ataköy, Bismil | Ataköy, Bulancak |
| Ataköy, Devrek | Ataköy, Ekinözü | Ataköy, Görele |
| Ataköy, Haymana | Ataköy, Hayrabolu | Ataköy, Karacasu |
| Ataköy, Karataş | Ataköy, Kars | Ataköy, Kızıltepe |
| Ataköy, Köprüköy | Ataköy, Menderes | Ataköy, Nurdağı |
| Ataköy, Ordu | Ataköy, Pınarhisar | Ataköy, Samandağ |
| Ataköy, Tirebolu | Ataköy, Turhal | Ataköy, Tutak |
| Ataköy, Ula | Atakent, Adıyaman | Atakent, Akşehir |
| Atakent, Silifke | Atakora (tỉnh) | Atal Bihari Vajpayee |
| Atalaia | Atalaia do Norte | Atalan, Düziçi |
| Atalan, Gevaş | Atalan, Tepebaşı | Atalan, Zara |
| Atalanta | Atalantekke, Tepebaşı | Atalantia armata |
| Atalantia buxifolia | Atalantia ceylanica | Atalantia citroides |
| Atalantia dasycarpa | Atalantia guillauminii | Atalantia hainanensis |
| Atalantia henryi | Atalantia macrophylla | Atalantia monophylla |
| Atalantia racemosa | Atalantia rotundifolia | Atalantia roxburghiana |
| Atalantia sessiliflora | Atalantia simplicifolia | Atalantia stenocarpa |
| Atalantia wightii | Atalantycha bilineata | Atalantycha dentiger |
| Atalantycha neglectus | Atalar, Şavşat | Atalar, Şehitkamil |
| Atalar, Çüngüş | Atalar, Mazıdağı | Atalar, Tarsus |
| Atalar, Torul | Atalar, Yeşilyurt | Atalaya (huyện) |
| Atalaya (tỉnh) | Atalaya alata | Atalaya angustifolia |
| Atalaya australiana | Atalaya calcicola | Atalaya capensis |
| Atalaya collina | Atalaya del Cañavate | Atalaya hemiglauca |
| Atalaya multiflora | Atalaya natalensis | Atalaya oligoclada |
| Atalaya papuana | Atalaya rigida | Atalaya salicifolia |
| Atalaya sericopetala | Atalaya variifolia | Atalayköyü, Kurtalan |
| Ataléia | Atalissa, Iowa | Atalopedes |
| Atalopteris aspidioides | Atalopteris ekmanii | Atalopteris maxonii |
| Atalotriccus | Atalotriccus pilaris | Atalotriccus pilaris griseiceps |
| Atalotriccus pilaris pilaris | Atalotriccus pilaris venezuelensis | Atalotriccus pilaris wilcoxi |
| Atama yama | Atamania tembeling | Atamer, Hilvan |
| Atami | Atami, Shizuoka | Atan, Lori |
| Atanasio Behnam Kalian | Atanatolica acuminata | Atanatolica aurea |
| Atanatolica botosaneanui | Atanatolica brasiliana | Atanatolica caldas |
| Atanatolica choco | Atanatolica cotopaxi | Atanatolica dominicana |
| Atanatolica flinti | Atanatolica manabi | Atanatolica moselyi |
| Atanatolica muyupampa | Atanatolica nigra | Atanatolica nivea |
| Atanatolica panamensis | Atanatolica penai | Atanatolica zongo |
| Atanoğlu, Borçka | Atanyjoppa comissator | Atanyjoppa funebris |
| Atanyjoppa lineata | Atanyjoppa maculipes | Atanyjoppa rufipes |
| Atanyjoppa rufomaculata | Atanyjoppa sumatrana | Atanyjoppa victoriae |
| Atanyjoppa violaceipennis | Atanzón | Atapuerca |
| Atapuerca (Burgos) | Ataq (huyện) | Ataquines |
| Atara (chi bướm) | Atara (chi) | Atara (genus) |
| Atarba (Atarba) almeidai | Atarba (Atarba) amabilis | Atarba (Atarba) angustipennis |
| Atarba (Atarba) anthracina | Atarba (Atarba) apache | Atarba (Atarba) aperta |
| Atarba (Atarba) aperta aperta | Atarba (Atarba) aperta subaperta | Atarba (Atarba) apicispinosa |
| Atarba (Atarba) bellamyi | Atarba (Atarba) bifilosa | Atarba (Atarba) bifurcula |
| Atarba (Atarba) bipendula | Atarba (Atarba) biproducta | Atarba (Atarba) boliviana |
| Atarba (Atarba) brevicornis | Atarba (Atarba) brevissima | Atarba (Atarba) brunneicornis |
| Atarba (Atarba) bulbifera | Atarba (Atarba) capensis | Atarba (Atarba) cincticornis |
| Atarba (Atarba) cincticornis cincticornis | Atarba (Atarba) cincticornis thamia | Atarba (Atarba) circe |
| Atarba (Atarba) columbiana | Atarba (Atarba) cucullata | Atarba (Atarba) dasycera |
| Atarba (Atarba) diacantha | Atarba (Atarba) dilatistyla | Atarba (Atarba) dinematophora |
| Atarba (Atarba) distispina | Atarba (Atarba) fiebrigi | Atarba (Atarba) fieldiana |
| Atarba (Atarba) filicornis | Atarba (Atarba) forticornis | Atarba (Atarba) fuscoapicalis |
| Atarba (Atarba) heteracantha | Atarba (Atarba) hirticornis | Atarba (Atarba) idonea |
| Atarba (Atarba) incisurata | Atarba (Atarba) laddeyana | Atarba (Atarba) laterospina |
| Atarba (Atarba) longitergata | Atarba (Atarba) lyriformis | Atarba (Atarba) macracantha |
| Atarba (Atarba) margarita | Atarba (Atarba) megaphallus | Atarba (Atarba) melanomera |
| Atarba (Atarba) merita | Atarba (Atarba) mexicana | Atarba (Atarba) microphallus |
| Atarba (Atarba) multiarmata | Atarba (Atarba) multiarmata multiarmata | Atarba (Atarba) multiarmata tarmae |
| Atarba (Atarba) nodulosa | Atarba (Atarba) pallidapex | Atarba (Atarba) panamensis |
| Atarba (Atarba) perincisa | Atarba (Atarba) picticornis | Atarba (Atarba) procericornis |
| Atarba (Atarba) punctiscuta | Atarba (Atarba) pustulata | Atarba (Atarba) quasimodo |
| Atarba (Atarba) religiosa | Atarba (Atarba) restricta | Atarba (Atarba) scabrosa |
| Atarba (Atarba) scutata | Atarba (Atarba) serena | Atarba (Atarba) setilobata |
| Atarba (Atarba) sigmoidea | Atarba (Atarba) stigmosa | Atarba (Atarba) stuckenbergi |
| Atarba (Atarba) subdentata | Atarba (Atarba) subpatens | Atarba (Atarba) tatei |
| Atarba (Atarba) tetracantha | Atarba (Atarba) tuberculifera | Atarba (Atarba) tuberculifera edax |
| Atarba (Atarba) tuberculifera tuberculifera | Atarba (Atarba) tungurahuensis | Atarba (Atarba) unilateralis |
| Atarba (Atarba) varicornis | Atarba (Atarba) variispina | Atarba (Atarba) viridicolor |
