Surname Delkhah (Delkhah 
) , throughout the world, is a rare cognomen. The family name Delkhah is characteristic of Iran, where it is a very rare surname, Georgia, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Iran, the United States, and India.
| VARIANT | COUNTRY |
|---|---|
| Delkhah | Canada, Turkey, India, United States, Iran |