Cognomen อุลตร้า (Ultra 
, อุลตร้า, Ultr 
) , worldwide, is quite a rare surname. The family name อุลตร้า is characteristic of Philippines, where it is quite a rare surname, Uruguay, where it is a rare surname, and Indonesia. Measured by absolute frequency, the name is most common in Philippines, Indonesia, and Brazil. Also, อุลตร้า is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ultra | Bangladesh, Philippines, Brazil, Indonesia, Democratic Republic of the Congo |
| Ultr | United States |