Surname Hio (Hio 
, هيو 
, ฮิว 
) , in the world, is quite a rare family name. The last name Hio is habitual in Macao, where it is quite a rare surname, Malaysia, and Costa Rica, where it is a rare surname. Measured by absolute frequency, the name is most common in South-eastern Asia, particularly Malaysia, Indonesia, and Myanmar. Also, Hio is the forename as well as the last name.