Family name Tshiashi (Tshiashi 
) , in the world, is a very rare cognomen. The surname Tshiashi is habitual in Sub-Saharan Africa, particularly South Africa, where it is a very rare surname. Much less frequently, Tshiashi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tshiashi | South Africa, United Kingdom |