| Name | Total | Name | Total |
|---|---|---|---|
| Astrén | 2 | Auramaa | 3 |
| Asuintupa | 1 | Auramo | 1 |
| Asujamaa | 3 | Auramäki | 1 |
| Asukas | 1 | Auranen | 10 |
| Asula | 1 | Auranto | 1 |
| Asuma | 1 | Aurasmaa | 2 |
| Asumaniemi | 1 | Aurasto | 1 |
| Asunen | 1 | Auravalta | 1 |
| Asunmaa | 5 | Aurela | 1 |
| Asunta | 4 | Aurema | 1 |
| Ateva (Ent. Grönroos) | 1 | Auressalmi | 1 |
| Atjonen | 1 | Auri | 3 |
| Atsinki | 2 | Aurinen | 2 |
| Atsola | 1 | Aurio | 1 |
| Attenberg | 1 | Aurola | 1 |
| Attila | 2 | Auronen | 1 |
| Attola | 1 | Austi (Ent. Grönros) | 1 |
| Auas (Ent. Johansson) | 1 | Austin | 1 |
| Auer | 10 | Autero | 2 |
| Auerkallio | 1 | Auti | 1 |
| Auerma | 1 | Autia | 1 |
| Auerniemi | 1 | Autio | 68 |
| Aukee | 1 | Autio (Ent. Kolehma) | 1 |
| Aukimaa | 1 | Autio-Aho | 1 |
| Aukio | 1 | Autioniemi | 2 |
| Aula | 7 | Autonen | 1 |
| Aulamo | 2 | Autti | 3 |
| Aulanen | 2 | Autto | 3 |
| Aulanko | 3 | Auvainen | 1 |
| Aulasmaa | 1 | Auvinen | 73 |
| Aulassaari | 1 | Avanne | 1 |
| Aulen | 3 | Avara | 1 |
| Aulila | 1 | Avela | 1 |
| Aulinen | 1 | Avelin | 3 |
| Aulio | 4 | Avellan | 2 |
| Aulo | 1 | Averin | 1 |
| Aumanen | 3 | Averlahti | 1 |
| Aunela | 1 | Avikainen | 2 |
| Aunio | 3 | Avonius | 1 |
| Auniola | 1 | Avovaara | 1 |
| Auno | 2 | Axberg | 1 |
| Aunola | 2 | Axell | 2 |
| Aunttila | 1 | Axelson | 1 |
| Aura | 12 | Axelson (Ahlsten) | 1 |
| Aurakoski (Ent. Vilen) | 1 | Axelsson | 1 |
| Aurala | 1 | Axen | 1 |