Cognomen Muroch (Muroch 
) , around the world, is a very rare family name. The cognomen Muroch is habitual in Israel, where it is a very rare surname, Brazil, where it is an extremely rare surname, and the United Kingdom. In absolute terms, the name is most common in Brazil, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Muroch | Brazil, Israel, United Kingdom, United States |