Surname Kuděj (Kuděj 
) , across the world, is a very rare last name. The cognomen Kuděj is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kuděj | Czechia |
|
zdeněk matěj kuděj Czech traveller, humorist, publicist, translator and writer, CZ (b. 1881) |
|
| františek kuděj (b. 1910) |
|
|
| jan kuděj CZ (b. 1978) |
|