Family name Vessaz (Vessaz 
) , in the entire world, is a very rare cognomen. The cognomen Vessaz is characteristic of Western Europe, particularly Switzerland, where it is a rare surname, Netherlands, where it is a very rare surname, and France. Very seldom, Vessaz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vessaz | Netherlands, Brazil, Switzerland, France, United States |
| antoine vessaz Swiss politician (1833-1911), CH (b. 1833) |
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| benjamin vessaz Swiss water polo player (b. 1907) |
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