| anice | anise |
| Anicia Giuliana | Anicia Juliana |
| Anicio Fausto Albino Basilio | Anicius Faustus Albinus Basilius |
| Anicio Manlio Torquato Severino Boezio | Anicius Manlius Severinus Boethius |
| Anicio Olibrio | Olybrius |
| anidrasi carbonica | carbonic anhydrase |
| Anidride borica | Boron trioxide |
| anidride carbonica | carbon dioxide |
| Anidride cromica | Chromium trioxide |
| Anidride fosforica | Phosphorus pentoxide |
| Anidride maleica | Maleic anhydride |
| anidride silicica | silica |
| anidride solforica | sulfur trioxide |
| Anidride vanadica | Vanadium oxide |
| anidro | anhydrous |
| Aniene | Aniene |
| Anif | Anif |
| Anija | Anija Parish |
| Anile | Indigo dye |
| anilina | aniline |
| Anilius scytale | Anilius scytale |
| anima | spirit |
| Anima Christi | Anima Christi |
| anima gemella | soulmate |
| Anima Mundi | Anima mundi |
| Animal | Animal |
| Animal Crossing | Animal Crossing |
| Animal Factory | Animal Factory |
| Animal Liberation Front | Animal Liberation Front |
| animale | gross |
| animale a sangue caldo | warm-blooded animal |
| animale acquatico | aquatic animal |
| animale addomesticato | domesticated animal |
| animale che si ciba di carogne | scavenger |
