Cognomen Spaeni (Spaeni 
) , throughout the world, is a very rare family name. The family name Spaeni is characteristic of Switzerland, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Spaeni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Spaeni | Switzerland, Spain, United States |
| melissa spaeni Swiss association football player, CH (b. 1982) |
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