Family name Ha-Ha (Haha 
, Ha-Ha 
) , all around the world, is a common last name. The last name Ha-Ha is characteristic of Hong Kong, where it is quite a rare surname, Macao, and Brunei. Measured by absolute frequency, it most frequently occurs in Indonesia, Myanmar, and Egypt. Likewise, Ha-Ha is the forename as well as the last name. Parts of the name also exists independently as a last name Ha, and a last name Ha.