Cognomen Yubac (Yubac 
) , all over the world, is a very rare surname. The family name Yubac is characteristic of Philippines, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Yubac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yubac | United States, Philippines |