| I Nipoti Del Faraone | I Nipoti Del Faraone | TRAX, LAST TRAX | TRAX | 1987 | Italy | Vinyl 7" |
| I Scream | Tomorrow Is Another Day | Insane Music, Grafika Airlines, INS 22 | Insane Music | 1986 | Belgium | Tape |
| I Scream | Tomorrow is another day | Grafika Airlines, GRA21 | Grafika Airlines | 1984 | Belgium | Tape |
| I Start Counting | Catalogue | Mute 61033-4, Mute 9 61033-4 | Mute | 1991 | United States | Tape |
| I.A.M. Umbrella | Semaphore | Rays and Genius, | Rays and Genius | 0 | | Tape |
| I.C.H. Der Bundesminister | BH Filter | Hirsch Records 011 | Hirsch Records | 1981 | Germany | Tape |
| I.C.U. | Intensive Care Unit | Bande Blanche, BB 001 | Bande Blanche | 1985 | Belgium | Tape |
| I.D.K. | Same | none | Not on Label (self-released) | 0 | United States | Tape |
| I.G Farben | Cries To The Sky | Land of Yrx Products, BASL 18 | Land of Yrx Products | 1984 | United Kingdom | Tape |
| I.M.C.P. | Embryotomi | Mord 99 | Not on Label (self-released) | 0 | Sweden | Tape |
| I.M.M. | Action 14 F 13 | Bain Total, K.26 | Bain Total | 1985 | France | Tape |
| I.M.S. | LIVE AUF DEM EXTREM DANEBEN FESTIVAL 85 | none | Not on Label (self-released) | 0 | | Tape |
| I.M.U. (Intuitive Music Unit) | same | None | Not on Label (self-released) | 1991 | United States | Tape |
| I>N>C> | Commedia Del Arte | ZH27 082 | ZH27 | 1987 | United States | Tape |
| I>N>C> | Eye 'An Sea | ZH27 090 | ZH27 | 1986 | United States | Tape |
| Ian Boddy | Electronic Music | none | Not on Label (self-released) | 1983 | United Kingdom | Tape |
| Ian Boddy | Elements Of Chance | Mirage Tapes, M602 | Mirage Tapes | 1981 | United Kingdom | Tape |
| Ian Boddy | Elements Of Chance | Agitasjon, none | Agitasjon | 1981 | Norway | Tape |
| Ian Boddy | Images Album | Mirage Tapes | Mirage Tapes | 1980 | United Kingdom | Tape |
| Ian Boddy | Live at Spectro 1981 | Not On Label, none | Not on Label (self-released) | 1981 | United Kingdom | Tape |
| Ian Boddy | Live at Spectro 1982 | Not On Label, none | Not on Label (self-released) | 1982 | United Kingdom | Tape |
| Ian Boddy | Options | Mirage Tapes, M607 | Mirage Tapes | 1982 | United Kingdom | Tape |
| Ian Breakwell | Continous Diary | Audio Arts Supplement | Audio Arts | 1979 | United Kingdom | Tape |
| Ian Breakwell | Dialogues | Audio Arts Supplement | Audio Arts | 1981 | United Kingdom | Tape |
| Ian Costello | Repetition, Deviation | Wavelength Music | Wavelength Music | 1994 | United Kingdom | Tape |
| Ian Dobson | On Earth | Flowmotion, ART 003 | Flowmotion | 1981 | United Kingdom | Tape |
| Ian Hartley | Sea V.S. Land | Pedestrian Tapes, PX1 | Pedestrian Tapes | 1983 | Australia | Tape |
| Iannis Xenakis | Aïs / Nekuia / N'Shima | Erato, NUM 75369 Series: Interfaces, NUM 75369 | | 1987 | France | Vinyl Lp |
| Iannis Xenakis | Atrées / Morsima-Amorsima / ST/4 / Nomos Alpha | Angel Records, S-36560 | | 1969 | United States | Vinyl Lp |
| Iannis Xenakis | Electro-Acoustic Music | Nonesuch H-71246 | | 1970 | United States | Vinyl Lp |
| Iannis Xenakis | Metastasis / Pithoprakta / Eonta | Vanguard, VCS-10030 | | 1967 | United States | Vinyl Lp |
| Iannis Xenakis | Oresteia | Musical Heritage Society, MHS 1200 | | 0 | United States | Vinyl Lp |
| Iao Core | Gilman St. Project Nov. 20th 1987 | Not On Label,none | Not on Label (self-released) | 1987 | United States | Tape |
| Iao Core | The Cocaine Blue | Not On Label, none | Not on Label (self-released) | 0 | United States | Tape |
| Iasos | Elixir | Inter-Dimensional Music; W2-CD | | 1983 | United States | Tape |
| Iasos | Wave 1 - Inter-Dimensional Music | Unity Records UR 700 | Unity Records | 1978 | United States | Tape |
| IBF (Ideas Beyond Filth) | HUaSH | IBF03C, Carnifex CR014 | | 1985 | United Kingdom | Tape |
| IBF (Ideas Beyond Filth) | Lincoln YMCA 6th January 1986 | IBF; IBF04C | IBF | 1986 | United Kingdom | Tape |
| IBF (Ideas Beyond Filth) | Manchester PSV Club November 8th 1985 | IBF; IBF02C | IBF | 1986 | United Kingdom | Tape |
| IBF (Ideas Beyond Filth) | Maximum Volume | IBF | IBF | 0 | United Kingdom | Tape |
| IBF (Ideas Beyond Filth) | Schranken | BloedvlagProdukt | BloedvlagProdukt | 1986 | Netherlands | Tape |
| IBF (Ideas Beyond Filth) | Schranken | BloedvlagProdukt / IBF | BloedvlagProdukt | 1986 | Netherlands | Tape |
| IBF (Ideas Beyond Filth) | You Clean The Grit & I'll Eat The Cars | IBF; IBF01C | IBF | 1985 | United Kingdom | Tape |
| Ibliss | Supernova | Spiegelei 28 501-5 U, Aamok 28 501-5 U | | 1972 | Germany | Vinyl Lp |
| Ice 9 | 1981 | Fifth Column, 5C-19 | Fifth Column | 1981 | Japan | Tape |
| Ice 9 | P.F.L.P. (perfect ficition of Love and Piece) | Ptôse Production Présente K 021 | Ptôse Production Présente | 1984 | France | Tape |
| Ice 9 | P.F.L.P. (perfect ficition of Love and Piece) | Fifth Column | Fifth Column | 1982 | Japan | Tape |
| Ice Cream Blisters | + / or | GGE Records | GGE Records | 1987 | United States | Tape |
| Ice Cream Blisters | Hot Greasy Food | Xkurzhen Sound; XK | Xkurzhen Sound | 0 | United States | Tape |
| Ice Cream Blisters | same | GGE Records; GGLPS-88138 | GGE Records | 1988 | United States | Tape |
| Ice Cream Blisters | same | GGE Records | GGE Records | 1985 | United States | Tape |
| Ice Cream Blisters | When Nature Fails, Asrt Steps In | GGE Records | GGE Records | 1986 | United States | Tape |
| Ich | Liebe, Tod Und Andere Katastrophen | Rappel Mc 03 | Rappel | 1983 | Germany | Tape |
| Ich | Sixty Seven Steps | Rappel Mc 13 | Rappel | 1982 | Germany | Tape |
| Ich | Trau Dich | Lunatic Asylum Products, none | Rappel | 1983 | Germany | Tape |
| Ich | Trau Dich | Rappel Mc 01 | Rappel | 1982 | Germany | Tape |
| Ich | Trics | Rappel, rappel MC 02 | Rappel | 1982 | Germany | Tape |
| Ich & JAR & Demian | Berlincassette | Jar Music | Jarmusic | 1983 | Germany | Tape |
| Ich + Du | Versuche | Jarmusic, none | Jarmusic | 1984 | Germany | Tape |
| Ich Bin Zwei Öltanks | Die Kassette Die Keiner Will (Live At The Kirchentag Hannover 10.06.83) | Stumpfs 18/83 | | 0 | Germany | Tape |
| Ich Bin Zwei Öltanks | Entscheidung Im Morgengrauen/Den Feinde Zu Tode Gelangweilt (Ltd) | Spargel Tapes, Schubidu 1 | Spargel Tapes | 1982 | Germany | Tape |
| Ich Libido | Swedish Girls | Kronchtadt Tapes, KT 003 | Kronchtadt Tapes | 1983 | France | Tape |
| Ich Steh Nicht Gerne Draussen Orchestra | Hirn Und Rueck | Trümmer Kassetten; none | Trümmer Kassetten | 0 | | Tape |
| Iconoclast | Com | Porkopolis | Porkopolis | 0 | United States | Tape |
| Icons | 1st Demo---No Manners | Not On Label, none | Not on Label (self-released) | 1984 | United Kingdom | Tape |
| Icons of Filth | Not On Her Majesty's Service | Morthahate, M1 | | 1983 | United Kingdom | Tape |
| Ideal | Der Ernst des Lebens | Eitel Imperial | | 1981 | Germany | Vinyl Lp |
| Ideal | Wir Stehen auf Berlin | Eitel Imperial, J1 | | 1980 | Germany | Vinyl 7" |
| Ideal | Zugabe | WEA, 24-0188-1, Eitel Optimal 24-0188-1 | | 1983 | Germany | Vinyl Lp |
| Ideal Morphogenesis | Rescued Through A Chinese Wall | ZH27 086 | ZH27 | 1986 | United States | Tape |
| Idee Du Femelle | Anthea | none | Not on Label (self-released) | 1986 | Spain | Tape |
| Idee Du Femelle | Artifact | none | Not on Label (self-released) | 1985 | Spain | Tape |
| Idee Du Femelle | Lamasara | none | Not on Label (self-released) | 1987 | Spain | Tape |
| Idee Du Femelle | Lamu | none | Not on Label (self-released) | 1990 | Spain | Tape |
| Idee Du Femelle | Pictures | none | Not on Label (self-released) | 1989 | Spain | Tape |
| Idee Du Femelle | Sequences | none | Not on Label (self-released) | 1988 | Spain | Tape |
| Idee Du Femelle | Visions & Form | none | Not on Label (self-released) | 1988 | Spain | Tape |
| Idee Du Femelle, Taché | Oafish | | Not on Label (self-released) | 0 | Spain | Tape |
| Idetemp | 1983... And She Told Me I Was Die | none | Not on Label (self-released) | 1978 | Germany | Vinyl Lp |
| Idid Idid | 72x108 | none | Not on Label (self-released) | 1980 | United Kingdom | Tape |
| Idid Idid | All things to all man | self-released | Not on Label (self-released) | 1981 | United Kingdom | Tape |
| Idid Idid | June 15th 1980 | none | Not on Label (self-released) | 1980 | United Kingdom | Tape |
| Idid Idid | Love Theme From Jacqueline | Stick It In Your Ear Tapes! Plug 38 | Stick It In Your Ear Tapes! | 1985 | United Kingdom | Tape |
| Idid Idid | Moloko Plus / Moloko Dub | self-released | Not on Label (self-released) | 1982 | United Kingdom | Tape |
| Idid Idid | Rockers in Dub | self-released | Not on Label (self-released) | 1980 | United Kingdom | Tape |
| Idiom | Waterglass | Music & Elsewhere; M&E 479 | Music & Elsewhere | 1999 | United Kingdom | Tape |
| Idiom | Waterglass | none | Not on Label (self-released) | 0 | United Kingdom | Tape |
| Idiom | Who Stole The Sun? | Music & Elsewhere; M&E 488 | Music & Elsewhere | 1999 | United Kingdom | Tape |
| Idiom | Who Stole The Sun? | none | Not on Label (self-released) | 0 | United Kingdom | Tape |
| Idiot-Savant | Live and Studio | Not On Label, none | Not on Label (self-released) | 0 | United States | Tape |
| Idle State | Brain Drops | Music & Elsewhere; M&E 142 | Music & Elsewhere | 1992 | United Kingdom | Tape |
| Idle State | Northern Lights | Ebu's Music; EM026 | Ebu's Music | 1992 | Germany | Tape |
| Idoleyes | The Divine Principle | Audiofile Tapes; aT85 | audiofile Tapes | 1989 | United States | Tape |
| Ieximal Jelimite | Newkage | | Clonaciones Petunio | 0 | Spain | Tape |
| If (UK) | If | Island Records, 6339 012 | | 1970 | France | Vinyl Lp |
| If, Bwana | Beware The Sleeping Squid | Cause and Effect | Cause and Effect | 1985 | United States | Tape |
| If, Bwana | Beware The Sleeping Squid | Sound of Pig, SOP 109 | Sound of Pig Music | 1987 | United States | Tape |
| If, Bwana | Damp | Sound of Pig, SOP 078 | Sound of Pig Music | 1987 | United States | Tape |
| If, Bwana | Freudian Slip | Sound of Pig, SOP 004 | Sound of Pig Music | 1984 | United States | Tape |
| If, Bwana | Fun With Fish | Audiofile Tapes, aT 8 | audiofile Tapes | 1986 | United States | Tape |