Last name Tyou (チョウ 
, คุณ 
, Tyou 
) , in the entire world, is quite a rare family name. The family name Tyou is habitual in Japan, where it is quite a rare surname, Belgium, where it is a rare surname, and Myanmar, where it is a very rare surname. In absolute terms, it is the most numerous in Japan, China, and Belgium. More prevalently, Tyou is the forename as well as the last name.