Cognomen Defez (Defez 
) , throughout the world, is a rare family name. The surname Defez is characteristic of Spain, where it is a rare surname, France, and Argentina, where it is a very rare surname. Also, Defez is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Defez | Spain, Italy, Mexico, France, Argentina |
|
roberto defez Italian researcher, IT (b. 1956) |
|
| gérard defez French politician, FR (b. 1947) |
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| antoni defez i martín Spanish philosopher, ES (b. 1958) |
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