Surname Biró (Biró 
) , across the world, is quite a rare family name. The cognomen Biró is habitual in Hungary, where it is quite a rare surname, Romania, and Austria, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Hungary, Romania, and Germany. Very seldom, Biró is the forename as well as the last name.
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| Biró | Germany, Romania, Belgium, Austria, Hungary |
| martin biró (1696-1762) (b. 1696) |
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| stephan biró (1729-1782) (b. 1729) |
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| anton biró Austrian building engineer (b. 1820) |
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| josef biró entrepreneur b. 1858 d. 1925 (b. 1858) |
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józsef arpad biró RO (b. 1899) |
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| biró ármin economist, factory manager, journalist, newspaper editor (1864–1917), HU (b. 1864) |
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| irén biró actor, RO (b. 1878) |
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biró károly ágoston Romanian-born Hungarian electrical engineer, RO (b. 1941) |
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| biró ferenc (1904–2006), HU (b. 1904) |
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| bertalan biró (b. 1904) |
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| alice biró Swiss architect (1923-2018), CH (b. 1923) |
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| anton biró Romanian ice hockey player, RO (b. 1939) |
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| biró péter HU (b. 1930) |
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| biró lászló péter Hungarian physicist, HU (b. 1955) |
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| gábor biró Romanian painter, RO (b. 1955) |
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