Is Kostja a boy or girl name?
Kostja is listed as a boy name in our name lists. It is recorded in Austria, Switzerland, Germany and other countries. Kostja is too rare in US Social Security records for us to chart.
Where Kostja is recorded
A country here means the name is recorded there. It is not a ranking.
Labels
- Worldwide
- Soft
Names that start like Kostja
This page shows only what our lists record for Kostja. We do not publish name meanings or origins. Sources and method.