Last name 劫 (Ko 
, 劫 
) , in the world, is a prevalent cognomen. The family name 劫 is characteristic of Myanmar, where it is a prevalent surname, Hong Kong, where it is a common surname, and Bermuda (explore the name in all countries). Measured by absolute frequency, the name is most common in Myanmar, Hong Kong, and India. Also, 劫 is the forename as well as the last name.