Family name Seguín (Seguín 
, Сегуин 
) , around the world, is a very rare surname. The cognomen Seguín is characteristic of Spain, where it is a very rare surname, Peru, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Seguín | Argentina, Spain, Peru |
| Сегуин | Russia |
| erasmo seguín served as head postmaster of San Antonio, Texas, US (b. 1782) |
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| benito feijóo seguín ES (b. 1894) |
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| rosa farto seguín researcher |
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| iker seguín association football player, ES (b. 1989) |
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