| asteroide | asteroid |
| Asteroide Amor | Amor asteroid |
| Asteroide Apohele | Apohele asteroid |
| Asteroide Apollo | Apollo asteroid |
| Asteroide areosecante | Mars-crosser asteroid |
| Asteroide Aten | Aten asteroid |
| Asteroide binario | Binary asteroid |
| Asteroide citerosecante | Venus-crosser asteroid |
| Asteroide cronosecante | Saturn-crosser asteroid |
| Asteroide di tipo C | C-type asteroid |
| Asteroide di tipo M | M-type asteroid |
| Asteroide di tipo S | S-type asteroid |
| Asteroide ermeosecante | List of Mercury-crossing asteroids |
| Asteroide geosecante | Earth-crosser asteroid |
| Asteroide NEAR | Near-Earth asteroid |
| Asteroide poseidosecante | Neptune-crosser asteroid |
| Asteroide troiano | Trojan asteroid |
| Asteroide uranosecante | Uranus-crosser asteroid |
| Asteroide zenosecante | Jupiter-crosser asteroid |
| Asteroidea | Starfish |
| Asteroidi Arjuna | Arjuna asteroid |
| Asteroidi terrestri | Near earth asteroids |
| Asterousia | Asterousia |
| astersivo | abstersive |
| Astet | Astet |
| Asti | Asti |
| Asti o Asti spumante | Asti |
| Asti spumante | Asti Spumante |
| Astiage | Astyages |
| Astianatte | Astyanax |
| astice | lobster |
| Astidamia | Astydameia |
| astigmatico | astigmatic |
| astigmatismo | astigmatism |
| astinente | abstemious |
| astinenza | withdrawal |
| astio | meanness |
| Astiosità | See a despecho de |
| astioso | spiteful |
| astista | pole-vaulter |
| ASTM International | ASTM International |
| Astolfo | Aistulf |
| Aston | Aston |
| astore | hawk |
| Astoria | Astoria |
| Astoria Bydgoszcz | Astoria Bydgoszcz |
| astracan | astrakhan |
| Astrachan' | Astrakhan |
