Surname Mihwa (미화 
, Mihwa 
) , all over the world, is a rare last name. The surname Mihwa is characteristic of South Korea, where it is a rare surname, Kenya, and Colombia, where it is a very rare surname. Not in comparison with a country's population, the name is most common in South Korea, Kenya, and China. Predominantly, Mihwa is the forename as well as the last name.