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