Cognomen Jassó (Jassó 
) , around the world, is an extremely rare last name. The surname Jassó is characteristic of Eastern Europe, particularly Hungary, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jassó | Hungary |
| jassó mihály Hungarian politician, HU (b. 1936) |
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| josé blas antonio abadiano y jassó ES |
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