Cognomen Ватая (Wataya 
, Ватая 
) , throughout the world, is a rare surname. The cognomen Ватая is habitual in Malawi, where it is a rare surname, Brazil, where it is a very rare surname, and Peru, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Malawi, Brazil, and the United States. Also, Ватая is the forename as well as the last name.