Olga Vital'evna Yakovleva (; 12 October 1970 – 17 January 2015), better known as Origa, was a Russian singer. She worked mostly in Japan from 1993 until her death. She was signed to the record label Gemmatika and sometimes worked with Yoko Kanno. She also released eleven albums and eight singles. She was most well known for singing the intro to the television series "Ghost in the Shell: Stand Alone Complex" and "Fantastic Children".