Family name Koco (Koco 
, Коцо 
, Кочо 
) , around the globe, is quite a rare cognomen. The cognomen Koco is characteristic of Albania, where it is quite a common surname, Bulgaria, where it is quite a rare surname, and North Macedonia. Measured by absolute frequency, this name is the most popular in Indonesia, Bulgaria, and Albania. Also, Koco is the forename as well as the last name.