Cognomen Sebestyén (Sebestyén 
, Sebestyen 
, 塞巴斯蒂安 
) , throughout the world, is a common family name. The surname Sebestyén is habitual in Eastern Europe, particularly Hungary, where it is a common surname, Romania, where it is quite a rare surname, and Slovakia. Measured by absolute frequency, it is commonest in Hungary, Romania, and the United States. Much less frequently, Sebestyén is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sebestyén | United States, Hungary, Germany, Austria, Romania |
| Sebestyen | Slovakia, United States, Hungary, Austria, Romania |
| 塞巴斯蒂安 | China |
| Шебештьен | Ukraine, Russia |
| sebestyén, archbishop of esztergom Hungarian archbishop (b. 950) |
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tinódi sebestyén Hungarian poet, HU (b. 1495) |
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| sebestyén borsos RO (b. 1520) |
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| ambrosius sebestyén SK (b. 1554) |
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| sebestyén hann Hungarian 1644–1713 F:0, SK (b. 1644) |
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| sebestyén ferdinánd dobner (b. 1685) |
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| sebestyén stettner Hungarian painter of Bavarian origin, DE (b. 1699) |
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| stuhlhoff sebestyén Hungarian artist (approximately 1723-1779), HU (b. 1723) |
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sebestyén gábor Hungarian prosecutor, playwright, HU (b. 1794) |
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| rumbach sebestyén Hungarian balneologist, HU (b. 1761) |
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| istván sebestyén (b. 1761) |
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| vogel sebestyén antal Hungarian furniture designer, ca. 1779-1837, HU (b. 1779) |
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sebestyén gyula ethnographer (1864-1946), HU (b. 1864) |
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sebestyén károly Hungarian translator, HU (b. 1872) |
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sebestyén géza Hungarian actor, HU (b. 1878) |
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