Cognomen Betlen (Betlen 
) , all around the world, is a very rare family name. The last name Betlen is characteristic of Hungary, where it is a rare surname, Canada, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Very seldom, Betlen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Betlen | Nigeria, Canada, Mexico, Hungary, Spain |
| betlen gyula HU (b. 1879) |
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betlen jános Hungarian translator, journalist, economist, television and radio presenter, HU (b. 1946) |
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| betlen oszkár Hungarian journalist (1909-1969), HU (b. 1909) |
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