| atoomsplitsing | Atomspaltung |
| Atoomstraal | Atomradius |
| atoomwapen | Atomwaffe |
| Atopie | Atopie |
| Atorvastatine | Atorvastatin |
| ATP | ATP |
| ATP Masters Series | ATP Masters Series |
| ATP-toernooi van Adelaide | ATP Adelaide |
| ATP-toernooi van Auckland | ATP Auckland |
| ATP-toernooi van Delray Beach | ATP Delray Beach |
| ATP-toernooi van Doha | ATP Doha |
| ATP-toernooi van Houston | ATP Houston |
| ATP-toernooi van Indian Wells | Indian Wells Masters |
| ATP-toernooi van Madrid | Madrid Masters |
| ATP-toernooi van Miami | Miami Masters |
| ATP-toernooi van Monte Carlo | Monte Carlo Masters |
| ATP-toernooi van Peking | China Open |
| ATP-toernooi van Rome | Rome Masters |
| ATP-toernooi van Rotterdam | ATP Rotterdam |
| ATP-toernooi van Sydney | ATP Sydney |
| ATP-toernooi van Umag | Croatia Open |
| ATP-toernooi van Valencia | ATP Valencia |
| ATP-toernooi van Viña del Mar | ATP Viña del Mar |
| ATP-toernooi van Zagreb | ATP Zagreb |
| ATPase | ATPasen |
| ATRAC | Adaptive Transform Acoustic Coding |
| Atrahasis | Atrahasis |
| Atrani | Atrani |
| Atrazine | Atrazin |
| Atrebati | Atrebaten |
| Atrecht | Arras |
| Atresie | Atresie |
| Atreus | Atreus |
| Atri | Atri |
| Atria | Atria |
| atrium | Atrium |
| Atriumseptumdefect | Atriumseptumdefekt |
| atrofie | Atrophie |
| Atromitos | Atromitos |
| Atropa | Tollkirschen |
| Atropatene | Atropatene |
| Atropine | Atropin |
| Atropos | Atropos |
| ATS | Automobili Turismo e Sport |
| ATSC | Advanced Television Systems Committee |
| Atsjinsk | Atschinsk |
| ATTAC | Attac |
| attaché | Attaché |
| attaché-case | Diplomatenkoffer |
| attachée | Attaché |
| attachékoffer | Diplomatenkoffer |
| Attala County | Attala County |
| Attalens | Attalens FR |
| Attaliden | Attaliden |
| Attalus Philetaerus | Philetairos aus Tios |
| attaqueren | angreifen |
| Attelwil | Attelwil |
| atten | schlucken |
| attenderen op | hervorheben |
| Attendorf | Attendorf |
| Attendorn | Attendorn |
| Attenhausen | Attenhausen |
| Attenhofen | Attenhofen |
| Attenkirchen | Attenkirchen |
| Attenschwiller | Attenschwiller |
| attent | wachsam |
| attent maken op | hervorheben |
