Surname Ladjar (Ladjar 
) , all over the world, is a rare family name. The family name Ladjar is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, and Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ladjar | Indonesia, Malaysia |
|
leo laba ladjar Catholic bishop, ID (b. 1943) |
|
| antonius dai ladjar Indonesian political candidate, ID |
|