Cognomen Daryai (Daryai 
) , in the world, is a very rare family name. The cognomen Daryai is characteristic of Iran, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Daryai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Daryai | Iran, United States, Iraq, Pakistan, India |