Cognomen Bahí (Баи 
, Bahí 
) , in all the world, is a rare last name. The cognomen Bahí is habitual in Russia, where it is a rare surname, Spain, where it is a very rare surname, and Kyrgyzstan. Much less frequently, Bahí is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Баи | Kazakhstan, Kyrgyzstan, Russia |
| Bahí | Spain |
| joan francesc bahí i fontseca Spanish naturalist, physician and botanist (1775-1841), ES (b. 1775) |
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| arnau planas bahí researcher ORCID: 0000-0003-0276-0794 |
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| anna bahí ES (b. 1972) |
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| georgina bahí blanquera Spanish basketball player, ES (b. 1989) |
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