Family name Тихо (Chiho 
, Тихо 
, Tikho 
) , globally, is a rare surname. The surname Тихо is habitual in Bulgaria, where it is quite a rare surname, Taiwan, where it is a rare surname, and Hong Kong. Measured by absolute frequency, it is the most numerous in Taiwan, Algeria, and China. More prevalently, Тихо is the forename as well as the last name.