Surname Hardiy (Hardiy 
) , around the globe, is a very rare cognomen. The surname Hardiy is characteristic of Indonesia, where it is a very rare surname, France, where it is an extremely rare surname, and India. Much less frequently, Hardiy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hardiy | France, Indonesia, Malaysia, India |