Surname Ханнан (Hannan 
, Khannan 
, Ханнан 
) , worldwide, is a common cognomen. The last name Ханнан is habitual in Oman, where it is quite a common surname, Bahrain, and Maldives (explore the name in all countries). Not in comparison with a country's population, it is commonest in Bangladesh, India, and the United States. Also, Ханнан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hannan | Saudi Arabia, India, Bangladesh, United States, Pakistan |
| Khannan | Malaysia, India, United States, Pakistan, Indonesia |
| Ханнан | Russia, Kazakhstan, Ukraine |