Cognomen Chachu (Chachu 
) , in all the world, is quite a rare surname. The surname Chachu is habitual in Western Asia, particularly Qatar, where it is quite a rare surname, United Arab Emirates, and Oman, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Ghana, India, and United Arab Emirates. Likewise, Chachu is the forename as well as the last name.