Cognomen תיאו (Theo 
, תיאו 
) , throughout the world, is a common surname. The surname תיאו 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, this name is the most popular in Indonesia, Cameroon, and France. More prevalently, תיאו is the forename as well as the last name.