Last name Třasák (Třasák 
) , throughout the world, is a very rare surname. The family name Třasák is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Třasák | Czechia |
| martin třasák Czech association football player (1973-), CZ (b. 1973) |
|
|
| jakub třasák Czech violinist, CZ (b. 1985) |
|
|
| pavel třasák CZ (b. 1984) |
|