| Asio otus | Long-eared Owl |
| Asisite | Asisite |
| Asistencia Asesoría y Administración | Asistencia Asesoría y Administración |
| Asiut | Asyut |
| Askainen | Askainen |
| Askeptosaurus italicus | Askeptosaurus |
| Asker | Asker |
| Askim | Askim |
| Askja | Askja |
| Asklepio | Asclepius |
| Askold | Russian cruiser Askold |
| Askr ed Embla | Ask and Embla |
| Askvoll | Askvoll |
| Askøy | Askøy |
| Aslan | Aslan |
| Aslan Abashidze | Aslan Abashidze |
| ASLR | Address space layout randomization |
| asma | asthma |
| Asmara | Asmara |
| asmatico | asthmatic |
| Asmidike | Xi Puppis |
| Asmodai | Asmodai |
| Asmonei | Hasmonean |
| ASMP | Air-Sol Moyenne Portée |
| Asnelles | Asnelles |
| Asnières-en-Bessin | Asnières-en-Bessin |
| Asnières-sur-Saône | Asnières-sur-Saône |
| Asnières-sur-Seine | Asnières-sur-Seine |
| Asnières-sur-Vègre | Asnières-sur-Vègre |
| ASNOM | ASNOM |
| Asociación Atlética Argentinos Juniors | Argentinos Juniors |
| Asociación Internacional de los Trabajadores | International Workers Association |
| asociale | antisocial |
| asola | buttonhole |
| Asopo | Asopus |
| Aspang-Markt | Aspang-Markt |
| Aspangberg-Sankt Peter | Aspangberg-Sankt Peter |
| Aspar | Aspar |
| Asparagales | Asparagales |
| asparago | asparagus |
| Asparagus officinalis | Asparagus |
| Asparn an der Zaya | Asparn an der Zaya |
| Asparrena | Asparrena |
| Aspartame | Aspartame |
| Aspartato transaminasi | Aspartate transaminase |
| Asparuh | Asparukh of Bulgaria |
| Aspasia | Aspasia |
| Aspasia di Mileto | Aspasia |
| Aspasio | Aspasius |
| Aspectj | AspectJ |
| Aspen Institute | Aspen Institute |
| Aspen-tree | Aspen-tree |
| Asperg | Asperg |
| Asperhofen | Asperhofen |
| asperità | gruffness |
| Aspermia | Aspermia |
| asperula | sweet woodruff |
| asperula odorata | sweet woodruff |
| Aspettando Godot | Waiting for Godot |
| aspettare | wait for |
| aspettare con ansia | look forward to |
