Family name จาจา (Djaja 
, Jajaa 
, Jaaja 
) , all over the world, is a common last name. The surname จาจา is characteristic of Indonesia, where it is quite a rare surname, Serbia, and Lebanon, where it is a rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Serbia, and Malaysia. Much less frequently, จาจา is the forename as well as the last name.
นพดล, จะจา, and มูฮัมมัดใซดี