Family name Lavergnat (Lavergnat 
) , across the world, is a rare cognomen. The surname Lavergnat is habitual in Switzerland, where it is a rare surname, France, and the United States, where it is an extremely rare surname. Very seldom, Lavergnat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lavergnat | United States, Switzerland, France |
| jeanne lavergnat Righteous Among the Nations, CH |
|
|
| jean lavergnat |
|
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| arthur lavergnat CH |
|