Surname 瓦迪 (Vaddi 
, Vardy 
, 瓦迪 
) , globally, is a common last name. The last name 瓦迪 is characteristic of India, where it is quite a rare surname, Kuwait, and the United Kingdom. Measured by absolute frequency, it is commonest in India, the United Kingdom, and Canada. Very seldom, 瓦迪 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vaddi | United Kingdom, Australia, Canada, United States, India |
| Vardy | United Kingdom, Australia, Canada, Democratic Republic of the Congo, India |
| 瓦迪 | China |
| Vadier | Canada, United States, Venezuela, France |