Family name Daffi (Daffi 
) , throughout the world, is quite a rare last name. The last name Daffi is habitual in Tanzania, where it is quite a rare surname, Indonesia, where it is a rare surname, and Algeria, where it is a very rare surname. In absolute terms, it most frequently occurs in Tanzania, Indonesia, and Nigeria. Very seldom, Daffi is the forename as well as the last name.