Cognomen Rayo Muñoz (Rayo Muñoz 
) , all around the world, is a very rare family name. The surname Rayo Muñoz is characteristic of Spain, where it is a very rare surname, and Chile.
| VARIANT | COUNTRY |
|---|---|
| Rayo Muñoz | Spain, Chile |
Juan, Ivan, Ezequiel, and Nelly Carolina