Throughout the world, Коцо (Koco 
, Коцо 
) is quite a rare primarily male, but very infrequently female first name. The first name Коцо is characteristic of Bulgaria, where it is quite a common boy's name, Albania, where it is quite a rare male name, and North Macedonia. Measured by absolute frequency, the name is most common in Bulgaria, Indonesia, and Albania. Also, Коцо is the last name as well as the forename.