Family name סאיקו (Sayako 
, סאיקו 
, Curoda 
) , around the globe, is a rare surname. The last name סאיקו is habitual in Japan, where it is a very rare surname, Israel, and Peru, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Japan, China, and Israel. More prevalently, סאיקו is the forename as well as the last name.