Last name Аав (Aava 
, Aav 
, Аав 
) , in all the world, is a rare family name. The cognomen Аав is habitual in Northern Europe, particularly Estonia, where it is quite a common surname, Sweden, where it is a rare surname, and Finland. Measured by absolute frequency, the name is most common in Estonia, India, and Sweden. Likewise, Аав is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aava | Sweden, Estonia, Finland, Nepal, India |
| Aav | Sweden, Morocco, Estonia, Finland, India |
| Аав | Russia, Estonia |
| сократ германович аав EE (b. 1907) |
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| тамара германовна аав EE (b. 1909) |
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| юрий германович аав EE (b. 1915) |
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| люсия германовна аав EE (b. 1921) |
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| тыну аав Estonian actor (1939-2019), EE (b. 1939) |
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