Last name Kelcec (Kelcec 
) , globally, is a very rare family name. The cognomen Kelcec is characteristic of Croatia, where it is a very rare surname, Canada, and Germany. Not in comparison with a country's population, it is the most numerous in Germany, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kelcec | Germany, Croatia, Canada, United States |