Last name Джако (Jaco 
, Djako 
, Джако 
) , throughout the world, is a common cognomen. The surname Джако is habitual in El Salvador, where it is quite a common surname, Honduras, where it is quite a rare surname, and Ivory Coast. Measured by absolute frequency, it most frequently occurs in Brazil, the United States, and El Salvador. Also, Джако is the forename as well as the last name.