Cognomen Hayja (Hayja 
) , worldwide, is a very rare last name. The surname Hayja is habitual in Algeria, where it is a very rare surname, Australia, and the United States, where it is an extremely rare surname. In absolute terms, the name is most common in Algeria, India, and Australia. Very seldom, Hayja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hayja | Philippines, Algeria, Australia, India, United States |