Family name Сихо (Shiho 
, Hoshiai 
, Сихо 
) , globally, is a rare last name. The family name Сихо is habitual in Bulgaria, where it is a rare surname, Sri Lanka, and Malaysia, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in China, Sri Lanka, and Bulgaria. More prevalently, Сихо is the forename as well as the last name.