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 |
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| Ruman | Slovakia, Poland, Saudi Arabia, India, Bangladesh |
| رومان | Egypt, Sudan, Iraq, Afghanistan, Saudi Arabia |
| Руман | Tajikistan, Russia, Belarus, Kazakhstan, Ukraine |
| Irmon | Philippines, Malaysia, Brazil, United States, India |
| foguang ruman Tang dynasty person CBDB = 92761 (b. 752) |
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| žigmund ruman SK (b. 1685) |
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sig ruman German-American actor (1884-1967), DE (b. 1884) |
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amy ruman American racecar driver, US (b. 1974) |
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petr ruman Czech soccer player, CZ (b. 1976) |
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| ladislav ruman (b. 1950) |
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| artur ruman (b. 1966) |
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| ruman uddin chowdhury researcher |
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| marek ruman researcher |
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| jan m. ruman Polish journalist, PL |
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| ruman banerjee researcher ORCID ID = 0000-0001-8059-1151 |
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| marta ruman researcher |
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| umme ruman researcher (ORCID 0000-0001-8910-0267) |
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| tomasz ruman researcher |
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| vojtech ruman SK (b. 1979) |
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