Family name Gruñon (Gruñon 
) , in all the world, is a very rare last name. The cognomen Gruñon is habitual in the Dominican Republic, where it is a rare surname, Spain, where it is an extremely rare surname, and Chile. Measured by absolute frequency, it most frequently occurs in the Dominican Republic, Mexico, and Spain. Very seldom, Gruñon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gruñon | Spain, Mexico, Chile, Dominican Republic, Venezuela |
|
el gruñon Vicepresident of Ecuador, EC (b. 1955) |
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