Cognomen Верньо (Vergniaud 
, Верньо 
) , around the globe, is a rare surname. The last name Верньо is characteristic of France, where it is a rare surname, Argentina, and Ukraine, where it is a very rare surname. In absolute terms, it is commonest in France, Argentina, and the United States. Very seldom, Верньо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vergniaud | Spain, United States, Argentina, France, Brazil |
| Верньо | Ukraine |