Cognomen Davu (Davu 
, Даву 
) , all around the world, is quite a rare family name. The surname Davu is habitual in Fiji, where it is quite a rare surname, India, where it is a rare surname, and Turkey, where it is a very rare surname. In absolute terms, it is commonest in India, Indonesia, and Turkey. Very seldom, Davu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Davu | Turkey, Indonesia, Fiji, United States, India |
| Даву | Russia |
| mesake davu Fijian rugby union player, FJ (b. 1976) |
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| vilimaina davu New Zealand netball player, NZ (b. 1977) |
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