Family name Usob (Usob 
) , in all the world, is a very rare cognomen. The last name Usob is habitual in Malaysia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. More frequently, Usob is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Usob | Philippines, Malaysia, India, United States, Thailand |