Family name Yoag (Yoag 
) , worldwide, is a very rare surname. The family name Yoag is characteristic of Philippines, where it is a very rare surname, Malaysia, and Israel. Not in comparison with a country's population, the name is most common in Philippines, Malaysia, and the United States. Much less frequently, Yoag is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yoag | Philippines, Israel, India, Malaysia, United States |