| Gender | Baby Name | Meaning |
|---|---|---|
 | Arnoldo | Eagle power |
| Arpad | Seed |
| Artan | Little Bear |
| Arthur | Bear |
| Artie | Bear |
| Arturo | Bear |
| Arty | Bear |
| Asad | Lion |
 | Ashley | From the ash tree field |
| Aslan | Lion |
| Aspen | Quaking Tree |
| Aster | Star |
| Astin | Starlike |
| Astor | Hawk |
| Astoria | Like a hawk |
| Astra | Star |
| Astro | Star |
| Atlanta | Atlantic ocean |
| Autumn | Fall season |
| Ava | Like a bird |
| Avalon | Island of Apple |
| Avalyn | Beautiful Bird |
| Avani | Earth |
| Avian | Bird-like |
| Aviv | Spring, Renewal |
| Aviva | Spring, Renewal |
| Avon | River |
