Most common surnames
Material updated 7/22/2024| Rank | Surname | Men | Women | Total |
|---|
| 1. | Korhonen | 11,279 | 10,772 | 22,051 |
| 2. | Virtanen | 11,149 | 10,143 | 21,292 |
| 3. | Mäkinen | 10,016 | 9,696 | 19,712 |
| 4. | Nieminen | 10,009 | 9,525 | 19,534 |
| 5. | Mäkelä | 9,521 | 9,215 | 18,736 |
| 6. | Hämäläinen | 9,194 | 8,733 | 17,927 |
| 7. | Laine | 8,986 | 8,890 | 17,876 |
| 8. | Heikkinen | 8,698 | 8,561 | 17,259 |
| 9. | Koskinen | 8,541 | 8,261 | 16,802 |
| 10. | Järvinen | 8,018 | 7,744 | 15,762 |
