Last name Chiriga (Chiriga 
) , all over the world, is a rare surname. The surname Chiriga is characteristic of Zimbabwe, where it is quite a rare surname, South Africa, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is the most numerous in Zimbabwe, South Africa, and the United States. Much less frequently, Chiriga is the forename as well as the last name.