Cognomen Merdzo (Merdzo 
) , in the entire world, is a rare last name. The cognomen Merdzo is habitual in Bosnia and Herzegovina, where it is quite a rare surname, Austria, and Croatia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Austria, Bosnia and Herzegovina, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Merdzo | Austria, Spain, Croatia, Bosnia and Herzegovina, United States |
| ante merdzo Dr. (1897-1977) (b. 1897) |
|