Cognomen Garcinuno (Garcinuno 
) , in all the world, is a very rare surname. The cognomen Garcinuno is habitual in Switzerland, where it is a very rare surname, Spain, where it is an extremely rare surname, and Italy. In absolute terms, it is the most numerous in Brazil, Switzerland, and Spain. Much less frequently, Garcinuno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Garcinuno | Argentina, Spain, Italy, Brazil, Switzerland |