Cognomen Lunaj (Lunaj 
) , around the globe, is a very rare last name. The surname Lunaj is habitual in Italy, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it is commonest in India, Italy, and the United States. Likewise, Lunaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lunaj | Canada, Italy, United Kingdom, United States, India |