Family name Ranuja (Ranuja 
) , across the world, is a very rare cognomen. The cognomen Ranuja is characteristic of Malaysia, where it is an extremely rare surname, Philippines, and Brazil. In absolute terms, this name is the most popular in Philippines, India, and Malaysia. Much more prevalently, Ranuja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ranuja | Philippines, India, Brazil, Malaysia, United States |