Last name Deroko (Deroko 
) , across the world, is a very rare cognomen. The family name Deroko is characteristic of Croatia, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Deroko | New Zealand, United States, Croatia |
|
jovan deroko Serbian war commander, FR (b. 1912) |
|
| milan deroko RS (b. 1920) |
|