Last name Ulčák (Ulčák 
) , globally, is a very rare cognomen. The cognomen Ulčák is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ulčák | Czechia |
| ladislav ulčák (b. 1904) |
|
|
| martin ulčák Czech businessman, CZ (b. 1964) |
|