Last name Regato-Tagab (Regato-Tagab 
) , around the world, is an extremely rare cognomen. The family name Regato-Tagab is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. Parts of the name also exists independently as a last name Regato, and a last name Tagab.
| VARIANT | COUNTRY |
|---|---|
| Regato-Tagab | Philippines |