Surname Gragasin (Gragasin 
) , globally, is quite a common cognomen. The last name Gragasin is habitual in Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Saudi Arabia. Not in comparison with a country's population, it is the most numerous in Philippines, Saudi Arabia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Gragasin | Canada, Philippines, United Arab Emirates, United States, Saudi Arabia |