Most common surnames
Material updated 3/9/2026| Rank | Surname | Men | Women | Total |
|---|
| 1. | Korhonen | 11,114 | 10,567 | 21,681 |
| 2. | Virtanen | 10,955 | 9,930 | 20,885 |
| 3. | Mäkinen | 9,847 | 9,526 | 19,373 |
| 4. | Nieminen | 9,855 | 9,372 | 19,227 |
| 5. | Mäkelä | 9,437 | 9,116 | 18,553 |
| 6. | Laine | 8,863 | 8,841 | 17,704 |
| 7. | Hämäläinen | 9,073 | 8,623 | 17,696 |
| 8. | Heikkinen | 8,583 | 8,460 | 17,043 |
| 9. | Koskinen | 8,452 | 8,148 | 16,600 |
| 10. | Järvinen | 7,893 | 7,616 | 15,509 |
