| adulto | se développer |
| adunanza | convocation |
| adunare | accumuler |
| adunarsi | se rencontrer |
| Advaita Vedanta | Advaita vedanta |
| Advaita Vedānta | Advaïta védanta |
| Advance Australia Fair | Advance Australia Fair |
| Advanced Access Content System | Advanced Access Content System |
| Advanced Audio Coding | Advanced Audio Coding |
| Advanced Configuration and Power Interface | Advanced Configuration and Power Interface |
| Advanced Encryption Standard | Standard de chiffrement avancé |
| Advanced Linux Sound Architecture | Advanced Linux Sound Architecture |
| Advanced Micro Devices | Advanced Micro Devices |
| Advanced Packaging Tool | Advanced Packaging Tool |
| Advanced Passenger Train | Advanced passenger train |
| Advanced Stream Redirector | ASX |
| Advanced Systems Format | Advanced Streaming Format |
| Advanced Technology Attachment | Advanced Technology Attachment |
| Advergame | Advergame |
| Adware | Publiciel |
| Adynaton | Adynaton |
| Adé | Adé |
| Adûnaico | Adûnaic |
| Adıyaman | Adıyaman |
| AE | AE |
| AE Larissa | AEL Larissa |
| Aechmophorus occidentalis | Grèbe élégant |
| Aede | Aoédé |
| Aedermannsdorf | Aedermannsdorf |
| Aedes aegypti | Aedes aegypti |
| Aedes albopictus | Aedes albopictus |
| Aedo | Aède |
| Aedone | Édon |
| Aefligen | Aefligen |
| AEG | AEG |
| Aegerten | Aegerten |
| Aegidienberg | Aix-la-Chapelle |
| Aegithina | Aegithinidae |
| Aegithina nigrolutea | Iora à queue blanche |
| Aegithina tiphia | Petit Iora |
| Aegukga | Aegukga |
| Aegyptosaurus baharijensis | Aegyptosaurus |
| AEK | AEK Athènes |
| AEK Atene | AEK Athènes |
| AEL | AEL |
| Aelita | Aelita |
| Aella | Aello |
| Aella di Deira | Aelle de Deira |
| Aem | AEM |
| Aeolidia papillosa | Éolidien à papilles |
| Aeolosaurus rionegrinus | Aeolosaurus |
| Aepisaurus elephantinus | Aepisaurus |
| Aepyornis | Aepyornithiformes |
| Aepyornis maximus | Æpyornis |
| Aer Lingus | Aer Lingus |
