| AA | Association d'automobilistes |
| AA battery | Mignon |
| AAA | Association d'automobilistes |
| AAA attendant | agent de la sécurité routière |
| AAA protocol | Protocole AAA |
| AAA road service | Touring-Club |
| AAB | AAB |
| Aabenraa | Åbenrå |
| Aabenraa Municipality | Åbenrå |
| Aachen | Aix-la-Chapelle |
| Aadorf | Aadorf |
| Aage Niels Bohr | Aage Niels Bohr |
| Aagje Deken | Aagje Deken |
| AAL | AAL |
| Aalborg | Aalborg |
| Aalborg Boldspilklub | AaB Ålborg |
| Aalen | Aalen |
| Aalenian | Aalénien |
| Aalesunds FK | Aalesund FK |
| Aaliyah | Aaliyah |
| Aalsmeer | Aalsmeer |
| Aalto Vase | Vase Aalto |
| AAM | AAM |
| aAmplitude | amplitude |
| AAP | AAP |
| Aar | Aar |
| Aarau | Aarau |
| Aarberg | Aarberg |
| Aarburg | Aarburg |
| Aardman Animations | Aardman Animations |
| aardvark | cochon de terre |
| aardwolf | protèle |
| Aargau | Argovie |
| Aarhus | Århus |
| Aarhus County | Århus |
| Aarhus Fremad | Århus Fremad |
| Aarhus Gymnastik Forening | AGF Århus |
| Aarhus Municipality | Århus |
| Aarne Honkavaara trophy | Trophée Aarne Honkavaara |
| Aarne-Thompson classification system | Classification Aarne-Thompson |
| Aaron | Aaron |
| Aaron Abeyta | El Hefe |
| Aaron ben Moses ben Asher | Aharon ben Moshe ben Asher |
| Aaron Burr | Aaron Burr |
| Aaron Carter | Aaron Carter |
| Aaron Ciechanover | Aaron Ciechanover |
| Aaron Copland | Aaron Copland |
| Aaron Downey | Aaron Downey |
| Aaron Klug | Aaron Klug |
| Aaron Lennon | Aaron Lennon |
| Aaron Lowe | Aaron Lowe |
| Aaron Sorkin | Aaron Sorkin |
| Aaron Spelling | Aaron Spelling |
| Aarwangen | Aarwangen |
| Aarón Ñíguez | Aarón Ñíguez |
| AAS | AAS |
| Aash Al Maleek | Aash Al Maleek |
| AASI Jetcruzer | AASI Jetcruzer |
| Aasiaat | Aasiaat |
| Aasta Hansteen | Aasta Hansten |
| Aastra Technologies | Aastra Technologies |
| ab | abdo |
| Ab initio quantum chemistry methods | Méthode ab initio de chimie quantique |
| AB Svensk Filmindustri | Svensk Filmindustri |
| Ab urbe condita | Ab Urbe condita |
| AB variable stars | Etoile variable AB |
| abaca | abaca |
| aback | en arrière |
| Abaco | Boulier |
| Abaco Islands | Îles Abacos |
| abacus | boulier |
| Abadan | Abadan |
| Abaddon | Abaddon |
| Abaddon the Despoiler | Abbadon le Fléau |
| Abadiño | Abadiño |
| Abadá | Abada |
| Abae | Abæ |
| abaft | à l'arrière |
| Abaiang | Abaiang |
| Abainville | Abainville |
| Abakan | Abakan |
| Abakan International Airport | Abakan |
| Abakan River | Abakan |
| Abalak | Abalagh |
| abalone | ormeau |
| Abaltzisketa | Abaltzisketa |
| Abancay | Abancay |
| Abancourt | Aboncourt |
| abandon | cesser |
