Cognomen Tsua (Tsua 
) , worldwide, is a rare surname. The surname Tsua is characteristic of Nigeria, where it is a rare surname, South Africa, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Nigeria, China, and South Africa. Also, Tsua is the forename as well as the last name.