Family name Хаава (Haava 
, Хаава 
) , in all the world, is a rare cognomen. The family name Хаава is characteristic of Estonia, where it is quite a rare surname, Sweden, where it is a rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Estonia, Sweden, and India. Much less frequently, Хаава is the forename as well as the last name.