Family name Diyanat (Diyanat 
) , globally, is a very rare last name. The surname Diyanat is habitual in Iran, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. More prevalently, Diyanat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diyanat | Iran, United States, Pakistan, India |