Last name Сайго (Saigo 
, Сайго 
, Asaigo) , across the world, is a rare cognomen. The surname Сайго is characteristic of Romania, where it is a rare surname, Singapore, and Israel, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Philippines, Indonesia, and the United States. Likewise, Сайго is the forename as well as the last name.