| At opening time | Otwarcie szachowe |
| at sign | małpa |
| At some place | Gdzieú |
| At the Beeb | Queen at the Beeb |
| At the Drive-In | At the Drive-In |
| at the end of the world | na końcu świata |
| At the Gates | At the Gates |
| at the same time | naraz |
| At the Speed of Life | At the Speed of Life |
| at this very moment | akurat |
| At wt | Masa atomowa |
| At-sign | Ślimak winniczek |
| At-Tariq | At-Tarik |
| At-Tawba | At-Tauba |
| ATA | ATA |
| Atabaque | Atabaque |
| Atabeg | Atabeg |
| Atacama | Atakama |
| Atacama Desert | Atakama |
| Atacama Region | Atakama |
| Atacameño | Atakama |
| Atahualpa | Atahualpa |
| Atakapa language | Atakapa |
| Atakpamé | Atakpame |
| Atalanta | Atalanta |
| Atalanti | Atalanta |
| Atapuerca | Atapuerca |
| Atar | Atar |
| Atari Falcon | Atari Falcon |
| Atari Jaguar | Atari Jaguar |
| Atari POKEY | POKEY |
| Atari Teenage Riot | Atari Teenage Riot |
| Atari TOS | TOS |
| Atarot Airport | Port lotniczy Atarot |
| Atatürk International Airport | Port lotniczy Stambuł-Atatürk |
| Atatürk Olympic Stadium | Atatürk Olimpiyat Stadyumu |
| Ataulf | Ataulf |
| Atauro Island | Atauro |
| atavism | atawizm |
| atavistic | atawistyczny |
| Ataxia telangiectasia | Zespół ataksja-teleangiektazja |
| ATB | André Tanneberger |
| Atbarah | Atbara |
| Atbarah River | Atbara |
| Atbash | Szyfr AtBash |
| ATC | ATC |
| ATC code A | ATC |
| ATC code B | ATC |
| ATC code C | ATC |
| ATC code D | ATC |
| ATC code G | ATC |
| ATC code H | ATC |
| ATC code J | ATC |
| ATC code L | ATC |
| ATC code M | ATC |
| ATC code N | ATC |
| ATC code P | ATC |
| ATC code R | ATC |
| ATC code S | ATC |
| ATC code V | ATC |
| Atchison County | Hrabstwo Atchison |
| Ateas | Ateas |
| Atef Sedki | Atef Sedki |
| Atefah Sahaaleh | Ateqeh Rajabi |
| Atelidae | Czepiakowate |
| Atelinae | Czepiaki |
| Atemi | Atemi |
| Aten | Aton |
| Aten asteroid | Grupa Atona |
| Atenas De San Carlos | Atenas San Carlos |
| Atenolol | Atenolol |
| Aterno | Pescara |
| ATEX directive | ATEX |
| Athabasca River | Athabaska |
| Athabaskan languages | Języki atapaskańskie |
| Athalaric | Atalaryk |
| Athamas | Atamas |
| Athanagild | Roderyk |
| Athanasius Kircher | Athanasius Kircher |
| Athapasca | Atabaskowie |
| Atharvaveda | Atharwaweda |
| atheism | ateizm |
| atheist | ateista |
| atheistic | ateistyczny |
| Athelas | Athelas |
| Athelstan of England | Athelstan |
| Athena | Atena |
| Athenagoras | Atenagoras I |
| Athenagoras of Athens | Atenagoras z Aten |
| Athene | Ateny |
| Athene noctua | Pójdźka |
| Athenian democracy | Demokracja ateńska |
| Athenodoros Cananites | Atenodoros Kananites |
| Athens | Ateny |
| Athens Charter | Karta Ateńska |
| Athens International Airport | Port lotniczy Ateny |
| Athens Metro | Metro ateńskie |
| Athens Olympic Sports Complex | Stadion Olimpijski w Atenach |
| Athens Prefecture | Ateny |
| AtheOS File System | AtheOS FS |
| Atheriniformes | Aterynokształtne |
| Atheris squamigera | Gałęźnica szorstkołuska |
| atherosclerosis | miażdżyca |
| atherosclerotic disease | miażdżyca |
| Athetosis | Atetoza |
| Athina Livanos | Athina Liwanos |
| Athirson Mazzoli de Oliveira | Athirson |
| Athirson Mazzoli e Oliveira | Athirson |
| Athis-Mons | Athis-Mons |
| athlete | sportowiec |
| Athletic Bilbao | Athletic Bilbao |
| athletics | lekkoatletyka |
| Athlitiki Enosis Konstantinoupoleos | AEK Ateny |
| Athlon | AMD Athlon |
| Atholl | Atol |
| Athos | Atos |
| Athos-Aspis | Athos-Aspis |
| Athribis | Athribis |
| Athyrium | Wietlica samicza |
| Athyrium filix-femina | Wietlica samicza |
| Ati | Ati |
| ATI CrossFire | CrossFire |
| ATI Technologies | ATI Technologies |
| Atia Balba Caesonia | Atia Starsza |
| Atiku Abubakar | Atiku Abubakar |
| Atil | Itil |
| Atimia | Atimia |
| Atisha | Atisa |
| Atitlán Grebe | Perkoz gwatemalski |
| Atiu | Atiu |
| Atlanta | Atlanta |
| Atlanta Braves | Atlanta Braves |
| Atlanta Falcons | Atlanta Falcons |
| Atlanta Hawks | Atlanta Hawks |
| Atlanta Thrashers | Atlanta Thrashers |
| Atlante Fútbol Club | Atlante Cancún |
| atlantes | atlant |
| Atlantic | atlantycki |
| Atlantic blue marlin | Marlin błękitny |
| Atlantic Canada | Kanada Atlantycka |
| Atlantic Charter | Karta Atlantycka |
| Atlantic City | Atlantic City |
| Atlantic Coast restingas | Restinga |
| Atlantic halibut | Halibut biały |
| Atlantic horse mackerel | Ostrobok pospolity |
| Atlantic languages | Języki atlantyckie |
| Atlantic mackerel | Makrela atlantycka |
| Atlantic Northern Right Whale | Wieloryb biskajski |
| Atlantic Ocean | Ocean Atlantycki |
| Atlantic salmon | Łosoś szlachetny |
| Atlantic slave trade | Niewolnictwo w USA |
| Atlantic Spotted Dolphin | Delfin uzdeczkowy |
| Atlantic sturgeon | Jesiotr ostronosy |
| Atlantic Wall | Wał Atlantycki |
| Atlantic-Congo languages | Języki atlantycko-kongijskie |
| Atlantis | Atlantyda |
| Atlantis II | Atlantyda |
| atlas | atlas |
| Atlas Bear | Niedźwiedź berberyjski |
| Atlas Mountains | Atlas |
| Atlas Oryx | Atlas Oryx |
| Atlas V | Atlas V |
| Atlas V rocket | Atlas V |
| Atlatl | Atlatl |
| Atli Dam | Atli Dam |
| Atlántico | Atlántico |
| Atlántico Department | Atlántico |
| Atlántida | Atlantyda |
| Atlético Acreano | Atlético Rio Branco |
| Atlético Bucaramanga | Atletico Bucaramanga |
| Atlético Club Mineros de Guayana | Mineros Guayana |
| Atlético Clube Goianiense | Atlético Goianiense Goiânia |
| Atlético de Rafaela | Atlético Rafaela |
| Atlético Junior | Atlético Junior Barranquilla |
| Atlético Madrid | Atlético Madryt |
| Atlético Marte | Atlético Marte San Salvador |
| Atlético Nacional | Atlético Nacional Medellín |
| Atlético Petróleos Luanda | Petro Atlético Luanda |
| Atlético Sport Aviação | ASA Luanda |
| ATM | bankomat |
| ATM Adaptation Layers | ATM Adaptation Layers |
