Ookubo Aiko, born November 14, 1981, is a Japanese voice actress from Tokyo. She has been affiliated with Remax ever since April 1, 2018. Aiko used to be affiliated with TAB Production before leaving from it on March 31, 2012, and then was affiliated with Quatrestella from April 1, 2016, before becoming a freelancer on January 1, 2018.

She is more well-known for her eroge roles under the names "Momoi Ichigo" and "Yamato Sakura".