| Arrêté ministériel | Ministarial order |
| arrêté municipal | city law |
| Arrêté royal | Royal Order |
| Ars antiqua | Ars antiqua |
| Ars electronica | Ars Electronica |
| Ars nova | Ars nova |
| Ars Rediviva | Ars Rediviva |
| Ars-en-Ré | Ars-en-Ré |
| Ars-sur-Formans | Ars-sur-Formans |
| Ars-sur-Moselle | Ars-sur-Moselle |
| Arsace Ier | Arsaces I of Parthia |
| Arsen Kotsoyev | Arsen Kotsoyev |
| arsenal | armory |
| Arsenal de Venise | Venetian Arsenal |
| Arsenal Fútbol Club | Arsenal de Sarandí |
| Arsenal Kiev | FC Arsenal Kiev |
| Arsenal maritime | Naval dockyard |
| Arseni Iatseniouk | Arseniy Yatsenyuk |
| Arseni Korechtchenko | Arseny Koreshchenko |
| arsenic | arsenic |
| Arsenic et vieilles dentelles | Arsenic and Old Lace |
| Arseniev | Arsenyev |
| Arsenio Erico | Arsenio Erico |
| Arsenio Martínez-Campos Antón | Arsenio Martínez Campos |
| Arsenio Rodriguez | Arsenio Rodríguez |
| Arsenio Sebastiao Cabungula | Love |
| Arsenium | Arsenie Todiraş |
| Arshile Gorky | Arshile Gorky |
| Arsia Mons | Arsia Mons |
| Arsinoé | Arsinoe |
| Arsinoé fille de Phégée | Arsinoe |
| Arsinoé II | Arsinoe II of Egypt |
| Arsinoé III | Arsinoe III of Egypt |
| Arsinoé Ire | Arsinoe I of Egypt |
| Arsinoé IV | Arsinoe IV of Egypt |
| Arsonval | Arsonval |
| arsouille | rascal |
| Arsy | Arcee |
| Arsène Autorianos | Arsenius Autoreianus |
| Arsène Kanokov | Arsen Kanokov |
| Arsène Lupin | Arsène Lupin |
| Arsène Wenger | Arsène Wenger |
| Arsès | Arses of Persia |
| Arséniev | Arsenyev |
| Arsénique | Arsenic |
| Arsénite | Arsénite |
| arséniure de gallium | gallium arsenide |
| Arséniure de gallium-aluminium | Aluminium gallium arsenide |
| art | art |
| Art abstrait | Abstract art |
| Art africain traditionnel | African art |
| Art amarnien | Amarna art |
| Art anglo-saxon | Anglo-Saxon art |
| Art ASCII | ASCII art |
| Art asturien | Asturian architecture |
| Art bouddhique | Buddhist art |
| Art byzantin | Byzantine art |
| Art carolingien | Carolingian art |
| Art celte | Celtic art |
| Art chinois | Chinese art |
| Art cinétique | Kinetic art |
| Art cistercien | Cistercian architecture |
| Art conceptuel | Conceptual art |
| Art contemporain | Contemporary art |
| Art copte | Coptic art |
| Art corporel | Body art |
| art d'écrire | penmanship |
| art de faire des bouquets | flower arrangement |
| Art de Florence | Florentine School |
| Art de la cuisine | Cooking |
| Art de la Grèce antique | Art in ancient Greece |
| Art de mémoire | Method of loci |
| Art de repeuplement en Espagne | Repoblación art and architecture |
| Art de sculpter | Sculpture |
| art de sculpter sur bois | woodcraft |
| Art dentaire | Dentistry |
| Art des migrations | Migration Period art |
| art du carillon | campanology |
