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Last name Ruman (Ruman
, رومان
, Руман
) , in all the world, is a common family name. The cognomen Ruman is habitual in Slovakia, where it is quite a common surname, Bangladesh, where it is quite a rare surname, and Oman. Measured by absolute frequency, it is commonest in Bangladesh, Slovakia, and India. Also, Ruman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruman | Saudi Arabia, Bangladesh, India, Poland, Slovakia |
| رومان | Saudi Arabia, Iraq, Egypt, Sudan, Afghanistan |
| Руман | Kazakhstan, Russia, Tajikistan, Belarus, Ukraine |
| Irmon | Philippines, Brazil, Malaysia, India, United States |