| # | SP/EP Title | Release Date | Label | UK | USA |
| 1. | Casiuss 1999 | 11.01.1999 | Virgin | 7 | |
| 2. | Foxxy | 2/1999 | Delabel | | |
| 3. | Feeling For You (Les Rythmes Digitales, DJ Tool, DJ Mehdi remixes) | 03.05.1999 | Virgin | 16 | |
| 4. | Foxy | 02.08.1999 | | | |
| 5. | La Mouche (extended, Pepe Bradock, DJ Falcon mixes) | 08.11.1999 | Virgin | 53 | |
| 6. | I'm A Woman
& Jocelyn Brown | 17.06.2002 | Virgin | | |
| 7. | The Sound Of Violence | 9/2002 | Virgin | 49 | |
| | The Sound Of Violence (Feel Like I Wanna Be Inside Of You)
with Steve Edwards | 07.10.2002 | Virgin | | |
| 8. | Feeling For You / Cassius 99 (remix) (full length version)
press
(re) | 03.03.2003 | Astralwerks | | |
| 9. | La Mouche
press
(re) | 10.03.2003 | Virgin | | |
| 10. | Sound Of Violence
& Seig | 27.10.2003 | Unrestricted | | |
| 11. | 1999
press
(re) | 24.11.2003 | Virgin | | |
| 12. | Thrilla | 24.11.2003 | Virgin | | |
| | Thrilla (remix part 2)
feat Ghostface Killah | 05.04.2004 | Virgin | | |
| 13. | Genuine Draft
& TT Hacky | 09.05.2005 | Kufa | | |
| 14. | Toop Toop | 02.10.2006 | Virgin | | |
| 15. | Rock Number One | 18.06.2007 | EMI | | |
| 16. | Treasure Chest Vol 1
(I'm Coming Out (2-4 Grooves mix) / 1999 / Longtime / Show Me Love (Tonka mix))
& Static Reuenger & Robin S & Secret Service | 09.07.2007 | Treasure Chest | | |
| 17. | Treasure Chest Vol 2
(Sexy Cinderella / Circles (Ronni Size remix) / Lover U For An Angel (Paul Van Dyk) / My Feeling For You)
& DJ Dee Kline & Adam F & Rachel MacFarlane | 30.07.2007 | Treasure Chest | | |
| 18. | Youth Speed Trouble Cigarettes EP
(Almost Cut My Hair / Youth, Speed, Trouble, Cigarettes / YSTC) | 29.07.2009 | Cassius | | |
| | Youth Speed Trouble Cigarettes (Reset! Trouble mix, Radio Slave mix, The Subs Juvenile mix) | 25.11.2009 | Cassius | | |
| 19. | 99 | 19.08.2010 | Cassius | | |
| 20. | The Rawkers EP
(Brotherhood / Les Enfants / The No No's / Shark Simple / I Love U So / Arcadine) | 01.10.2010 | Because Music | | |
| 21. | I <3 U So | 11/2010 | Ed Banger | | |
| 22. | I Love U So (remixes) / I / Cat's Eyes / The Best Person I Know / Sunshine Girls / Love You Anyway | 25.02.2011 | Ed Banger | | |
| 23. | I Heart U So | 28.02.2011 | Because Music | 52 | |
| 24. | The Sound Of Violence (2011 remixes) | 31.08.2011 | Cassius | | |
| 25. | The Rawkers EP
(Brotherhood / Les Enfants / The No No's / Shark Simple / I <3 U So / Arcadine) | 08.07.2016 | Because Music | | |
| 26. | Action | 08.07.2016 | Because Music | | |
| 27. | Feel Like Me | 22.07.2016 | Because Music | | |
| 28. | The Missing | 05.08.2016 | Interscope | | |
| 29. | Go Up
& Pharrell Williams
(feat. Cat Power) | 28.10.2016 | Because Music | | |
| 30. | W18 | 7/2018 | Because | | |
| 31. | Dreams
& Luke Jenner & Joe Rogers
(feat. Owlle) | 7/2019 | Caroline | | |
