Family name Kalje (Kalje 
) , throughout the world, is a rare cognomen. The cognomen Kalje is characteristic of Netherlands, where it is a very rare surname, India, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it most frequently occurs in India, Netherlands, and Nigeria. Very seldom, Kalje is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalje | Netherlands, United Kingdom, United States, Nigeria, India |