Cognomen Yagawa (Yagawa 
) , in the entire world, is a very rare surname. The family name Yagawa is characteristic of the United Kingdom, where it is an extremely rare surname, Nigeria, and the United States. Not in comparison with a country's population, this name is the most popular in China, Nigeria, and the United States. Much less frequently, Yagawa is the forename as well as the last name.