Last name Ahadyar (Ahadyar 
) , in all the world, is a rare family name. The family name Ahadyar is habitual in Afghanistan, where it is a rare surname, Switzerland, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ahadyar | United Kingdom, Switzerland, United States, Afghanistan, India |