All around the world, Firnas (Firnas 
, فرناس 
, פירנאס 
) is a rare boy's first name. The first name Firnas is habitual in Sri Lanka, where it is quite a rare boy's name, Qatar, where it is a rare masculine name, and Oman. Not in comparison with a country's population, this name is the most popular in Sri Lanka, Indonesia, and Saudi Arabia. Likewise, Firnas is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Firnas | Indonesia, Sri Lanka, United Arab Emirates, Qatar, Saudi Arabia |
| فرناس | Jordan, Iraq, Egypt, Sudan, Saudi Arabia |
| פירנאס | Israel |
| Фирнас | Russia |