Surname Тхео (Theo 
, Тхео 
) , worldwide, is a common family name. The cognomen Тхео is characteristic of Cyprus, where it is quite a common surname, Namibia, and Botswana, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Indonesia, Cameroon, and France. More frequently, Тхео is the forename as well as the last name.