Family name Cha-Cha (Cha-Cha 
, 恰恰 
) , all over the world, is a rare surname. The last name Cha-Cha is habitual in Indonesia, where it is a very rare surname, China, and Venezuela. Measured by absolute frequency, it most frequently occurs in China, Indonesia, and Nigeria. Also, Cha-Cha is the forename as well as the last name. Parts of the name also exists independently as a last name Cha, and a last name Cha.