| Abbé | Abbet | Abbe |
| Abérried | Abgotts on | Adam |
| Add | Advocat | Agten |
| Aigle (d’) | Aimonino | Albasini |
| Albert | Albertin | Albi (Blanc) |
| Albin | Albrecht | Algur |
| Allegro | Allegroz | Allégroz, Alleygroz |
| Allenbach | Allet | Alleves (d’), Dalleves |
| Allinges (d’) | Almendin er | Alter |
| Alzetta | Am Hengart | Am Ried |
| Amacker | Ambiel | Ambord |
| Ambort | Ambuel | Ambühl |
| Amherd | Ammann | Amoos |
| Amos | Amrein | Amstalden |
| Amstutz | Ançay | Anchise |
| Anchisi | Andenmatten | Anderegen |
| Anderhalden | Anderichen | Aderledi |
| Ardeledy | Andermatten | Andreoli |
| Andres | Andres (d’) | Angreville (d’) |
| Annexi | Anniviers (d’) | Anthamatten |
| Anthenien | Anthoine | Anthonioz |
| Antille | Antonelli | Antoniazzi |
| Antonier | Antonin | Anzevui |
| Anzévui | Apicella | Arbalettaz |
| Arbella | Arbignon (d’) | Arces (d’) |
| Archimi | Ardigo | Ardon (d’) |
| Aren | Arlettaz | Armangauer |
| Armbruster | Arna (d’) | Arnold |
| Arnoldy | Arolas | Aschilier |
| Asper | Asperlin | Astori |
| Attinger | Aubert | Audi |
| Aufdenblatten | Aufdeneggen | Aufdereggen |
| Aufderfluo | Augustini (d’) | Avantha |
| Avoyer | Ayent (d’) | Aymon |
| Ayolphi |