Capsule (stylised as "capsule") are a Japanese electronica duo consisting of vocalist Toshiko Koshijima and producer Yasutaka Nakata.

Studio Kajino (a subsidiary of Studio Ghibli) have produced three animated music videos for the band - Portable Kuukou, Space Station No. 9 and Soratobu Toshi Keikaku - from their fourth album (S.F. Sound Furniture) and fifth album (Nexus-2060) respectively.