Limited Edition (United Artists, 1974) – collection of 1968–1974 rarities that was expanded to become Unlimited Edition
Opener (Sunset, 1976) – compilation from 1972–1974 album material
Cannibalism (United Artists, 1978) – compilation from 1969–1974 album material (two tracks dropped for CD reissue)
InCANdescence (Virgin, 1981) – compilation from 1969–1977 album material
Cannibalism 2 (Spoon, 1992) – compilation from 1974–1981 album material, also includes a two tracks from singles and one unreleased track, "Melting Away"
Cannibalism 3 (Spoon, 1993) – compilation from 1979–1991 solo album material
Anthology (Spoon, 1994) – compilation from 1968–1991 album and soundtrack material
Bootlegs
Mother Sky (Asteroid, 1993) – live Waldbühne, West-Berlin June 1971
Horrortrip in the Paperhouse: Live 1972/73 (1994).
Radio Waves (Sonic Platten, 1997) – collection of 1969–1972 live and rare recordings
Zhengzheng Rikang (Nörvenich, 2006) – early 1969 bootleg
Singles
"Agilok & Blubbo" {Can as The Inner Space} / "Kamera Song" (Rosemarie Heinikel[de]) (Deutsche Vogue, DV 14785 – 1968)
"Kama Sutra" {Irmin Schmidt with The Inner Space} / "I'm Hiding my Nightingale" (Margarete Juvan) (Metronome, M 25128 – November 1968)
