| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Antero | AHN-te-ro | Finnish | ||
| Antti | AHNT-tee | Finnish | ||
| Anttoni | AHNT-to-nee | Finnish | ||
| Anu (1) | AH-noo | Finnish, Estonian | ||
| Ari (2) | AH-ree (Finnish) | Ancient Scandinavian, Icelandic, Finnish | ||
| Arja | AHR-yah | Finnish | ||
| Armas | AHR-mahs | Finnish | ||
| Armo | AHR-mo | Finnish | ||
| Arto | AHR-to | Finnish | ||
| Arttu | AHRT-too | Finnish | ||
| Artturi | AHRT-too-ree | Finnish | ||
| Arvo | AHR-vo | Finnish | ||
| Atte | - | Finnish | ||
| Aukusti | OW-koos-tee | Finnish | ||
| Aulis | OW-lees | Finnish |