Most common surnames
Material updated 5/6/2024| Rank | Surname | Men | Women | Total |
|---|
| 1. | Korhonen | 11,290 | 10,788 | 22,078 |
| 2. | Virtanen | 11,165 | 10,172 | 21,337 |
| 3. | Mäkinen | 10,020 | 9,736 | 19,756 |
| 4. | Nieminen | 10,025 | 9,550 | 19,575 |
| 5. | Mäkelä | 9,536 | 9,239 | 18,775 |
| 6. | Hämäläinen | 9,211 | 8,764 | 17,975 |
| 7. | Laine | 8,994 | 8,893 | 17,887 |
| 8. | Heikkinen | 8,711 | 8,576 | 17,287 |
| 9. | Koskinen | 8,560 | 8,278 | 16,838 |
| 10. | Järvinen | 8,034 | 7,765 | 15,799 |
