Cognomen Kko (Kko 
, Khko 
) , in all the world, is quite a rare last name. The cognomen Kko is habitual in Myanmar, where it is quite a rare surname, Syria, where it is a rare surname, and Saudi Arabia. Not in comparison with a country's population, this name is the most popular in Myanmar, Egypt, and Saudi Arabia. Likewise, Kko is the forename as well as the last name.