| asätare | scavenger |
| At Budokan | Bob Dylan at Budokan |
| At the Gates | At the Gates |
| At the Speed of Life | At the Speed of Life |
| AT-AT | AT-AT |
| AT-ST | AT-ST |
| At-Tur | El-Tor |
| Atacama | Atacama |
| Atacamagraven | Peru-Chile Trench |
| Atacamaöknen | Atacama Desert |
| Atahualpa | Atahualpa |
| Ataka | National Union Attack |
| Atal Behari Vajpayee | Atal Bihari Vajpayee |
| Atanarik | Athanaric |
| Atanarjuat | Atanarjuat |
| ATAPI | ATAPI |
| Atari Falcon | Atari Falcon |
| Atari Flashback | Atari Flashback |
| Atari Jaguar | Jaguar |
| Atari Lynx | Lynx |
| Atari POKEY | Atari POKEY |
| Atari Teenage Riot | Atari Teenage Riot |
| Atassut | Feeling of Community |
| Atatürk Olimpiyat Stadyumu | Atatürk Olympic Stadium |
| Ataulf | Ataulf |
| atavism | atavism |
| atavistisk | atavistic |
| Atazardammen | El Atazar Dam |
| ATB | ATB |
| ATC | ATC |
| ATC-kod | Anatomical Therapeutic Chemical Classification System |
| Atchison County | Atchison County |
| ateism | atheism |
| ateist | atheist |
| ateistisk | atheistic |
| Atelidae | Atelidae |
| ateljé | studio |
| Atelocynus microtis | Short-eared Dog |
| Aten | Athens |
| Atens historia | History of Athens |
| Atens tunnelbana | Athens Metro |
| Atens universitet | National and Kapodistrian University of Athens |
| atensk | athenian |
| Ateriankulturen | Aterian |
| ATEX-direktivet | ATEX directive |
| Ath | Ath |
| Athabascafloden | Athabasca River |
| Athabascasjön | Lake Athabasca |
| Athalaric | Athalaric |
| Athame | Athame |
| Athanagild | Athanagild |
| Athanasianska trosbekännelsen | Athanasian Creed |
| Athanasios Diakos | Athanasios Diakos |
| Athanasius | Pope Athanasius I of Alexandria |
| Athanasius Kircher | Athanasius Kircher |
| Atharvaveda | Atharvaveda |
| Athelstan av England | Athelstan of England |
| Athena | Athena |
| Athena Niketemplet | Temple of Athena Nike |
| Athenagoras | Athenagoras of Athens |
| Athenaios | Athenaeus |
| Athens | Athens |
| Athina Onassis | Athina Roussel |
| Athis-Mons | Athis-Mons |
| Athletic Bilbao | Athletic Bilbao |
| Athlon | Athlon |
| Athos | Mount Athos |
| ATI | Ati |
| ATI Technologies | ATI Technologies |
| Atia | Atia Balba Caesonia |
| Atiu | Atiu |
| Atjinsk | Achinsk |
| Atkinsdieten | Atkins Nutritional Approach |
| Atlant-Sojuz Airlines | Atlant-Soyuz Airlines |
| Atlanta | Atlanta |
| Atlanta Braves | Atlanta Braves |
| Atlanta Falcons | Atlanta Falcons |
| Atlanta Hawks | Atlanta Hawks |
| Atlanta Thrashers | Atlanta Thrashers |
| Atlantdeklarationen | Atlantic Charter |
| Atlanten | Atlantic |
| Atlantens blå band | Blue Riband |
| Atlantic Division | Atlantic Division |
| Atlantida | Atlántida |
| Atlantis | Atlantis |
| Atlantiska | Atlantean language |
| Atlantiska havet | Atlantic Ocean |
| Atlantiska oceanen | Atlantic Ocean |
| Atlantiska språk | Atlantic languages |
| Atlantkabel | Transatlantic telephone cable |
| Atlantkabeln | Submarine communications cable |
| Atlantpaktsorganisationen | NATO |
| Atlantprovinserna | Atlantic Canada |
| Atlantvallen | Atlantic Wall |
| atlas | atlas |
| atlas (karta) | atlas |
| Atlasbergen | Atlas |
| Atlascederträ | Atlas Cedar |
| atlet | athlete |
| atletisk | athletic |
| Atli Dam | Atli Dam |
| Atlántico | Atlántico Department |
| Atlético de Madrid Handboll | Atlético Madrid |
| Atlético Mineiro | Clube Atlético Mineiro |
| ATM | Asynchronous Transfer Mode |
| atmosfär | ambience |
| atmosfärens struktur | atmospheric structure |
| atmosfärfysik | atmospheric physics |
| atmosfärisk | atmospheric |
