Surname Frähn (Frähn, Френ 
) , all over the world, is an extremely rare cognomen. The cognomen Frähn is characteristic of Eastern Europe, particularly Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Френ | Ukraine |
|
christian martin joachim frähn German and Russian numismatist and historian, DE (b. 1782) |
|
| robert frähn (b. 1846) |
|
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| robert frähn (b. 1859) |
|
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| rudolf frähn |
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