Family name Estava (Tabata 
, Estava 
) , throughout the world, is quite a common last name. The cognomen Estava is habitual in Saint Lucia, where it is quite a common surname, Venezuela, where it is quite a rare surname, and South Africa. Measured by absolute frequency, it most frequently occurs in South Africa, Venezuela, and Brazil. Likewise, Estava is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tabata | Brazil, Mexico, Japan, Venezuela, South Africa |
| Estava | Canada, Philippines, Brazil, United States, Venezuela |