Last name Darkhah (Darkhah 
) , around the world, is a very rare family name. The family name Darkhah is habitual in Costa Rica, where it is a very rare surname, Iran, and the United States, where it is an extremely rare surname. Much less frequently, Darkhah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Darkhah | Costa Rica, India, United States, Iran |