Last name コンコン (Konkon 
, コンコン ) , in all the world, is a rare family name. The surname コンコン is characteristic of Japan, where it is a rare surname, Nigeria, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Japan, Nigeria, and the United Kingdom. More prevalently, コンコン is the forename as well as the last name.