Family name Watlo (Watlo 
, วัทโล 
, วัฒโล ) , throughout the world, is a rare last name. The surname Watlo is habitual in Thailand, where it is a rare surname, and Honduras, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Watlo | Honduras, Brazil |
| วัทโล, วัฒโล | Thailand |