Cognomen Vajó (Vajó 
) , throughout the world, is a very rare family name. The last name Vajó is habitual in Eastern Europe, particularly Hungary, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vajó | Hungary |
| vajó józsef HU (b. 1863) |
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| július vajó (b. 1938) |
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| juraj vajó (b. 1970) |
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| vajó zoltán American geneticist, HU |
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