Bootlegs are unofficial recordings, often produced overseas to avoid legal issues. Most bootlegs are either live recordings or remix albums.
==Incomplete List of Bootlegs==
{| border="1"
|+ Bootlegs
!style="background-color:#DDDDDD;" | Name !!style="background-color:#DDDDDD;"| Release Year !!style="background-color:#DDDDDD;" | Album Type !!style="background-color:#DDDDDD;" | Description
|-
|[[18 IRON Nails]]
|N/A
|Remixes
|Remixes from ''[[The Downward Spiral (halo)|The Downward Spiral]]'' era
|-
|[[A Mix Of All That Was]]
|2002
|Live
|collected 'best of' with every live song ever played from 1988-2000
|-
|[[A Thousand Pleasures]]
|N/A
|N/A
|(source unknown)
|-
|[[Broken Machine V1]]
|N/A
|Remixes
|"A collection of the best independent remixes"
|-
|[[Broken Machine V2]]
|N/A
|Remixes
|"A collection of the best independent remixes"
|-
|[[Cleveland 4-12-00]]
|2000
|Live
|Recorded live 4/12/2000; Cleveland, OH
|-
|[[After Everything I've Done]]
|N/A
|Remixes
|Songs from ''[[The Fragile (halo)|The Fragile]]'' era and before. Probably web-published
|-
|''[[Broken Movie]]''
|1993
|"Music Videos"
|"Full length" "music video" for "[[Pinion]]," "[[Wish]]," "[[Help Me I Am In Hell]]," "[[Happiness In Slavery]]," and "[[Gave Up]]," with segues between songs.
|-
|[[Children of the Night]]
|1995
|Live
|Live with David Bowie on the US tour
|-
|''[[Closure]]'' Two-Disc DVD set
|2006
|Live/Music Videos
|Two-disc DVD set of ''Closure;'' leaked to the internet on 20/12/2006; rumored to be leaked by NIN
|-
|[[Coming Down Fast]]
|1994
|Live
|Recorded live in Atlanta, Georgia
|-
|[[The CRC Sessions]]
|2000
|Other
|Recorded @ the Chicago Recording Company; source of "Still"
|-
|[[Crossed Nails]]
|N/A
|Live
|(source unknown)
|-
|[[Damaged Nails: Broken and Shattered Mixes]]
|N/A
|Remixes
|Rare Remixes
|-
|[[Damaged Nails: Rust and Decay]]
|N/A
|Remixes
|Rare Remixes
|-
|[[The Definitive NIN - Deep Cuts]]
|2006
|Other
|Web-published greatest hits album; no new songs; rumored to be released by NIN
|-
|[[The Definitive NIN - Quiet Tracks]]
|2006
|Other
|Web-published greatest hits album; no new songs; rumored to be released by NIN
|-
|[[The Definitive NIN - The Singles]]
|2006
|Other
|Web-published greatest hits album; no new songs; rumored to be released by NIN
|-
|[[Demos and Remixes]]
|N/A
|Other
|live, remix, and demo tracks from the ''[[Broken]]'' era and before
|-
|[[Disturbed]]
|1994
|Other
|Interview
|-
|[[The Fragile Remixes]]
|N/A
|Remixes
|9 rare tracks
|-
|[[Fragmentation Bomb]]
|2000
|Live
|Recorded live on 1/15/2000; Osaka, Japan
|-
|[[Frailer than Frail]]
|N/A
|Other
|live, remix, and rare tracks from ''The Fragile'' era and before
|-
|[[Glamour Death]]
|1995
|Live
|(Source unknown) With David Bowie
|-
|[[Hammar Hard]]
|1990
|Live
|Recorded live on 6/26/1990; Dallas, TX
|-
|[[Hammering It Home]]
|1994
|Live
|Recorded live in London, date unknown
|-
|[[Holding On]]
|2007
|Remixes
|web-published remix album
|-
|[[In This Twilight (Live 2005-2007)]]
|2007
|Live
|collected 'best of' with every live song played from 2005 to 2007
|-
|[[Killer Instinct]]
|1991
|Live
|Recorded live in various locations 1990-1991
|-
|[[The Limitless Potential]]
|2007
|Remixes
|Open source fan-made remix compilation of songs from ''[[Year Zero]]'', hosted on [[Painful Convictions]]
|-
|[[Live at Woodstock '94]]
|1994
|Live
|Recorded Live at Woodstock '94
|-
|[[Live Hate]]
|1995
|Live
|Recorded live 10/11/1995; St. Louis, MO
|-
|[[The Oddball Couple]]
|1995
|Live
|Recorded live 10/21/1995; Mountain View, CA
|-
|[[Purest Feeling]]
|1988
|Demos
|Contains demos from ''[[Pretty Hate Machine]]''
|-
|[[Purest Feeling II]]
|1989
|Demos and remixes
|Contains demos and remixes from ''[[Purest Feeling]]''/''[[Pretty Hate Machine]]''
|-
|[[Rare and Remixed]]
|N/A
|Remixes, Other
|Contains original songs NIN covered and several very rare remixes
|-
|[[Rusty Nails]]
|N/A
|Remixes
|"Non-stop mega-mixes". Basically a playlist of songs edited a bit.
|-
|[[Rusty Nails II]]
|N/A
|Remixes
|More of the same
|-
|[[Rusty Nails III]]
|N/A
|Remixes
|Even more of the same
|-
|[[Rusty Nails IV]]
|N/A
|Remixes
|Even more
|-
|[[Shallow Grave]]
|1994
|Live
|Recorded live 5/25/1994; London, England
|-
|[[Solid Gold Hell]]
|1991
|Live
|(source unknown)
|-
|[[Terrible Live Lie]]
|1994
|Live
|Recorded live 1994; US
|-
|[[Ultra Rare Tracks]]
|1995
|Remixes
|Purest Feeling II with an alternate tracklist
|-
|[[Various NIN Mixes]]
|N/A
|Remixes
|Several rare remixes, and "versioned" songs only available from [[nin.com]] during [[The Fragile Era]].
|-
|[[Where Darkness Doubles Light Pours In]]
|2006
|Live
|Recordings from the [[With Teeth: Summer Tour 2006 Radio Collaboration]] and [[The CRC Sessions]]
|-
|[[With Boots]]
|2005
|Remixes
|''[[With Teeth (halo)|With Teeth]]'' songs mashed up with random other songs in funny ways
|}
[[Category:NIN Discography]]