Surname Saiyo (Saiyo 
) , around the globe, is a rare family name. The surname Saiyo is characteristic of United Arab Emirates, where it is a rare surname, Philippines, and Indonesia, where it is a very rare surname. In absolute terms, this name is the most popular in South-eastern Asia, particularly Philippines, Indonesia, and Thailand. Also, Saiyo is the forename as well as the last name.