Surname Šiřina (Šiřina 
) , across the world, is a very rare last name. The last name Šiřina is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Šiřina | Czechia |
| tomáš šiřina CZ (b. 1966) |
|
|
| jakub šiřina Czech basketball player, CZ (b. 1987) |
|