In the entire world, Траян (Traian 
, Trajan 
, Траян 
) is a common masculine forename. The given name Траян is characteristic of Eastern Europe, particularly Romania, where it is quite a common male name, Bulgaria, where it is quite a rare masculine name, and Moldova. In absolute terms, the name is most common in Romania, Bulgaria, and Italy. Likewise, Траян is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Traian | Moldova, Bulgaria, Romania, United States, Italy |
| Trajan | Spain, France, Romania, United States, North Macedonia |
| Траян | Kazakhstan, Belarus, Bulgaria, Russia, Ukraine |
| Trayan | Spain, Bulgaria, Greece, Romania, United States |
| траян корсак BY (b. 1720) |
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траян радев Bulgarian journalist, BG (b. 1929) |
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| траян стефанов BG (b. 1877) |
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| траян драганов BG (b. 1883) |
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траян дянков Bulgarian footballer (1976-2016), BG (b. 1976) |
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| траян лялев Bulgarian lawyer, BG (b. 1930) |
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| богдан, траян теодорович RO (b. 1927) |
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траян траянов Bulgarian footballer, BG (b. 1987) |
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| траян марковски BG (b. 1953) |
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| траян маречков BG |
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