Family name ثوبيا (Topia 
, Thopia 
, Topija ) , across the world, is quite a rare surname. The surname ثوبيا is habitual in New Zealand, where it is quite a rare surname, Philippines, where it is a rare surname, and Australia. Measured by absolute frequency, it is the most numerous in Philippines, Egypt, and Indonesia. Much less frequently, ثوبيا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Topia | Ethiopia, Philippines, New Zealand, Egypt, Indonesia |
| Thopia | Thailand, Nigeria, India, South Africa |
| Topija | India |