Surname Thiana (Thiana 
) , globally, is a rare family name. The last name Thiana is habitual in Senegal, where it is quite a rare surname, Indonesia, where it is a rare surname, and Honduras, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Indonesia, Senegal, and Mexico. Likewise, Thiana is the forename as well as the last name.