Unnamed Memory is a Japanese light novel series by Kuji Furumiya. It originated from the novel posting website Shōsetsuka ni Narō in September 2012. It was later acquired by ASCII Media Works, who published the series with illustrations by Chibi under their Dengeki no Shin Bungei imprint. The series was published in six volumes, released from January 2019 to April 2021. A manga adaptation with illustrations by Naoki Koshimizu began serialization in ASCII Media Works' Dengeki Daioh magazine in September 2020. As of June 2022, it has been published in three tankōbon volumes.