Last name Kulca (Kulca 
) , across the world, is a very rare cognomen. The last name Kulca is characteristic of Turkey, where it is a very rare surname, Canada, where it is an extremely rare surname, and Brazil. In absolute terms, this name is the most popular in Turkey, Brazil, and India. More frequently, Kulca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kulca | Turkey, United States, India, Canada, Brazil |