Cognomen Kupal (Kupal 
) , throughout the world, is a rare family name. The cognomen Kupal is habitual in Western Asia, particularly Israel, where it is quite a rare surname, Turkey, where it is a rare surname, and Saudi Arabia. Not in comparison with a country's population, it is commonest in India, Turkey, and Israel. Also, Kupal is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kupal | Saudi Arabia, Philippines, Turkey, India, Israel |