Globally, Ненчо (Nencho 
, Ненчо 
, Nenciu 
) is quite a rare male forename. The first name Ненчо is characteristic of Bulgaria, where it is quite a common masculine name, Romania, where it is a rare gender-neutral name, and Greece, where it is a rare masculine name. In absolute terms, it is the most numerous in Bulgaria, Romania, and Afghanistan. Also, Ненчо is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nencho | Spain, Bulgaria, Greece, Japan, Afghanistan |
| Ненчо | Russia, Bulgaria, Ukraine |
| Nenciu | Spain, Greece, Romania, United States, Italy |
|
ненчо палавеев BG (b. 1859) |
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ненчо кротков BG (b. 1870) |
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| ненчо ослеков BG (b. 1821) |
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| ненчо искров налбантина BG (b. 1842) |
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| ненчо илиев Bulgarian writer, BG (b. 1882) |
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ненчо христов Bulgarian bicycle racer, BG (b. 1933) |
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| ненчо рашев BG (b. 1889) |
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| ненчо мечков Bulgarian politician, BG (b. 1919) |
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ненчо илчев actor, BG (b. 1972) |
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ненчо балабанов Bulgarian actor, BG (b. 1980) |
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| ненчо станев BG (b. 1925) |
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ненчо кротев BG |
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| ненчо стайков Bulgarian bicycle racer, BG (b. 1955) |
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