In all the world, Мацу (Matsu 
, Мацу 
) is a common girly given name. The forename Мацу is characteristic of Japan, where it is quite a common feminine name, Indonesia, where it is a very rare masculine name, and South Africa, where it is a very rare gender-neutral name. Measured by absolute frequency, it is the most numerous in Japan, Indonesia, and China. Very seldom, Мацу is the last name as well as the forename.