Family name Гайбу (Gaibu 
, Gaybu , Гайбу 
) , in the world, is quite a rare cognomen. The family name Гайбу is characteristic of Moldova, where it is quite a common surname, Slovakia, where it is a rare surname, and Japan. In absolute terms, it is the most numerous in Moldova, Japan, and India. Also, Гайбу is the forename as well as the last name.