Family name Karlmax (Karlmax 
) , in all the world, is a very rare last name. The last name Karlmax is characteristic of Nigeria, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Karlmax is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karlmax | Philippines, India, Nigeria, Kenya, Germany |