Cognomen 和子 (Kazuko 
, 和子 ) , across the world, is quite a rare family name. The surname 和子 is characteristic of Japan, where it is a rare surname, Spain, where it is a very rare surname, and Myanmar. Not in comparison with a country's population, it is commonest in Japan, China, and Indonesia. More frequently, 和子 is the forename as well as the last name.