Surname Vaidi (Vaidi 
) , in all the world, is a rare last name. The cognomen Vaidi is characteristic of Greece, where it is a rare surname, Georgia, where it is a very rare surname, and India. In absolute terms, it is commonest in India, Greece, and France. Also, Vaidi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vaidi | Greece, France, India, Democratic Republic of the Congo, Nigeria |