Cognomen Йаман (Jaman 
, Yaman 
, Iaman 
) , around the world, is a widespread last name. The cognomen Йаман is habitual in Turkey, where it is a common surname, Bangladesh, where it is quite a common surname, and Brunei (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Turkey, Bangladesh, and Pakistan. Also, Йаман is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaman | Pakistan, Malaysia, India, Bangladesh, Indonesia |
| Yaman | Turkey, Pakistan, India, Bangladesh, Indonesia |
| Iaman | Malaysia, Morocco, United States, India, Myanmar |
| Йаман | Belarus, Ukraine, Russia |