Surname Randja (Randja 
) , globally, is a rare cognomen. The cognomen Randja is habitual in Algeria, where it is a rare surname, Indonesia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, Randja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Randja | Algeria, Indonesia, France, Malaysia |