| astrolog | astrologo |
| astrologi | astrologia |
| astrologisk | astrologico |
| astrometri | astrometria |
| astronautik | astronautica |
| astronom | astronomo |
| astronomi | astronomia |
| astronomisk | astronomico |
| astronomisk enhet | unità astronomica |
| Astronomiska symboler | Simbolo astronomico |
| astronomiskt | astronomico |
| Astrophytum | Astrophytum |
| Astrud Gilberto | Astrud Gilberto |
| Asturien | Asturie |
| asturiska | asturiano |
| Astyages | Astiage |
| Astyanax | Astianatte |
| Asunción | Asunción |
| Asuras | Asura |
| ASUS | ASUS |
| Asvaghosa | Aśvaghosa |
| ASX | ASX |
| asymmetrisk | asimmetrico |
| Asymmetrisk information | Asimmetria informativa |
| Asymmetrisk kryptering | Crittografia asimmetrica |
| asymptot | asintoto |
| Asymptotiska jättegrenen | Ramo asintotico delle giganti |
| Asynchronous Transfer Mode | Asynchronous Transfer Mode |
| Asynkronmotor | Motore asincrono |
| Asyut | Asyut |
| Asyut guvernorat | Governatorato di Asyut |
| At Folsom Prison | At Folson Prison |
| At the Gates | At the Gates |
| AT-AT | AT-AT |
| AT-ST | AT-AT |
| AT-TE | AT-TE |
| Atacama | Deserto di Atacama |
| Atacamagraven | Fossa di Atacama |
| Atacamaöknen | Deserto di Atacama |
| Atahualpa | Atahualpa |
| Ataka | Attacco Unione Nazionale |
| Atal Behari Vajpayee | Atal Bihari Vajpayee |
| Atalanta BC | Atalanta Bergamasca Calcio |
| Atami | Atami |
| Atanarik | Atanarico |
| Ataraxia | Atarassia |
| Atari Jaguar | Atari Jaguar |
| Atari Lynx | Atari Lynx |
| Atari POKEY | Atari POKEY |
| Atari Teenage Riot | Atari Teenage Riot |
| Atassut | Atassut |
| Atatürk Olimpiyat Stadyumu | Stadio Olimpico Atatürk |
| Ataulf | Ataulfo |
| atavistisk | atavistico |
| ATB | André Tanneberger |
| ATC | ATC |
| ATC-kod | Anatomica Terapeutica Chimica |
| ateism | ateismo |
| ateist | ateo |
| ateistisk | ateo |
| Atelidae | Atelidae |
| Atelocynus microtis | Atelocynus microtis |
| Aten | Atene |
| Atens Olympiastadion | Stadio Olimpico |
| Atens tunnelbana | Metropolitana di Atene |
| Ateriankulturen | Cultura ateriana |
| ATEX-direktivet | ATEX |
| Ath | Ath |
| Athabascafloden | Athabasca |
| Athabascasjön | Athabasca |
| Athalaric | Atalarico |
| Athame | Athame |
| Athanagild | Atanagildo |
| Athanasianska trosbekännelsen | Simbolo Atanasiano |
| Athanasius Kircher | Athanasius Kircher |
| Athena | Atena |
| Athena Niketemplet | Tempio di Atena Nike |
| Athenagoras | Atenagora di Costantinopoli |
| Athenaios | Ateneo di Naucrati |
| Athens | Athens |
| Athina Onassis | Athina Roussel |
| Athis-Mons | Athis-Mons |
| Athletic Bilbao | Athletic Club |
| Athlon | Athlon Classic |
| Athos | Repubblica del Monte Athos |
| ATI | ATI |
| ATI Technologies | ATI Technologies |
| Atia | Azia Balba Cesonia |
| Atiu | Atiu |
| Atjinsk | Ačinsk |
| Atlant-Sojuz Airlines | Atlant-Soyuz Airlines |
| Atlanta | Atlanta |
| Atlanta Braves | Atlanta Braves |
| Atlanta Falcons | Atlanta Falcons |
| Atlanta Hawks | Atlanta Hawks |
| Atlanta Thrashers | Atlanta Thrashers |
| Atlanten | Oceano Atlantico |
