Last name Kalakaj (Kalakaj 
) , worldwide, is a very rare cognomen. The surname Kalakaj is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname. Very seldom, Kalakaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalakaj | India, Czechia |
| štefan kalakaj (b. 1945) |
|