Family name Bălu (Bălu 
) , in the entire world, is a very rare surname. The cognomen Bălu is habitual in Eastern Europe, particularly Romania, where it is a rare surname.
| ion bălu RO (b. 1933) |
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| marius bălu Romanian politician, RO (b. 1968) |
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| spiridon-dănuț bălu Romanian politician from Fărcășești, Gorj County, RO |
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