| Aa |
| Aalbers |
| Aalderink |
| Aalders (4) |
| Aalst |
| Aaltsen |
| Aaltsz. |
| Aardts |
| Aarts (2) |
| Aarts van Epe |
| Aartse |
| Aartsen |
| Aartsz (3) |
| Aartsz (of Aards) |
| Abcouwer |
| Adelerhof (2) |
| Agen |
| Aitchison |
| Akster |
| Alberts (6) |
| Albertsz |
| Algera |
| Alkemade |
| Aller |
| Altveer |
| Anderson |
| Ann |
| Anthonissen |
| Aperlo |
| Appelman |
| Arendonk |
| Arends |
| Arendsen |
| Ariens |
| Ark |
| Asselt (2) |
| Assen (3) |
| Asten |
| Attema |
| Avest (2) |