Family name Raínho (Raínho 
) , throughout the world, is a very rare surname. The cognomen Raínho is habitual in Portugal, where it is a rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Raínho | Portugal, Brazil |
| rui raínho Portuguese footballer, PT (b. 1989) |
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| mário raínho |
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| otacílio raínho |
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