"Sayonara Memories" (さよならメモリーズ, Sayonara Memorīzu, lit. "Goodbye Memories") is a J-pop song by the Japanese band Supercell, written by Ryo. Supercell released it as their second single in February 2010 by Sony Music. A music video was produced for "Sayonara Memories", directed by Takahiro Miki and Taiki Ueda. Lyrically, the song deals with an unrequited love. The single peaked at No. 7 on Japan's weekly Oricon singles chart.