Surname Peraja (Peraja 
) , worldwide, is a rare family name. The family name Peraja is habitual in Philippines, where it is a rare surname, India, where it is an extremely rare surname, and the United States. Likewise, Peraja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Peraja | United States, India, Philippines, Tanzania |