| O Lazy Laze | O&G Project feat. Evo |
| O&R / Octave | O'Hara feat. Scarlet |
| O-Zone | O.B |
| O.B.A. | O.B.I. |
| O.B.I., Alex TB and Motormorfoses | O.E.G. |
| O.F.C | O.P.B. |
| O.S. Project | O.T.System, JLand |
| O.T.System, Mauro M. | O.Zee |
| O/V/R | o1o |
| o1o (aka AYBEE) | Obba Supa |
| OBI aka Tobias Lüke | Obi Baby |
| Obi Blanche | Oblivion |
| Oblivion / Allan Villar | Obo And Hobos |
| Obscurum | Obsidian |
| Obtane | Occult Science |
| Ocean Drive feat. DJ Oriska | Oceana |
| OCEANDRIVE | Oceandrive feat. Mia Wise |
| Oceania | OceanLab |
| Ocsygen | Octav Paul |
| Octave | Octave, O & R |
| Octobre & Suedmilch | Octopussies |
| Oculus | OD Muzique & Mark Holmes |
| odd machine | Oddvar |
| Oddvar / Marcus Glahn | Oded Adam |
| Odessa Soundfreaks | Odissi |
| Odyssee of Noises | Odyssey |
| Odyssey of Light | Oegdolan |
| OEL & Polygon | Oeler |
| Oen Bearen | Oen Bearen & TrancEye |
| Ofak | off pop |
| Off Remixer | Offer Nissim |
| Offer Nissim feat. Maya | Officer Tek and Soultechnic |
| Offshore, francesco dasilva | Offwhyte, Reezm, En Sayne |
| Ofinger | Ogris Debris |
| Oguzhan Mete | Oh!Odd... |
| Oh.Jay! | Oh35 |
| Ohm | Ohm Boys |
| Oi!ter | Oil 10 |
| Ojai | Ojojoj |
| OK Corral | Okoli |
| Okos | Oksygen |
| Ol' Dirty Bastard | Olaf Over |
| Olaf Over Dj | Olaf Pozsgay |
| Olav Basoski | Olav Basoski & DJ Erick E |
| Olcay | Old Comics Heroes |
| Old Dogs | Old To The New |
| Olderic | Oldfix |
| Oldjokernoise | Ole van Dansk |
| Ole-Ole | Oleg Di Vice |
| Oleg Flame | Oleg Izergin |
| Oleg Poliakov | Oleg Z |
| Olene Kadar | Olf Hund |
| Oliv B | Oliva & Prioli |
| Oliva, Prioli | Oliver Backens |
| Oliver Backens & Stefan Gruenwald feat. José Valdes | Oliver Bensmann |
| Oliver Breidenbach | Oliver Cats |
| Oliver Flam & Andreas Hinwieder feat. Monex | Oliver Garcia |
| Oliver Garcia feat. Dilek Taskin | Oliver Georgi |
| Oliver Hacke | Oliver Huntemann |
| Oliver Huntemann and Dubfire | Oliver Huntemann feat. Chelonis R. Jones |
| Oliver Imseng | Oliver K |
| Oliver Klein & Kolombo | Oliver Klein & Peter Juergens |
| Oliver Klein & Peter Jürgens | Oliver Klitzing |
| Oliver Koletzki | Oliver Koletzki & Florian Meindl |
| Oliver Koletzki & Roland Clark | Oliver Koletzki feat. Fran |
| Oliver Koletzki feat. Juli Holz | Oliver Koletzki vs. Parker Frisby |
| Oliver Lang | Oliver M |
| Oliver Martini | Oliver Meadow |
| Oliver Meadow feat. Sunny M. | Oliver Moldan |
| Oliver Neufang & Nico Schwind | Oliver Playford |
| Oliver Schmitz & Diego Zaragoza feat Micah | Oliver Schories |
| Oliver Schubert | Oliver Schubert a.k.a. Schubert |
| Oliver Tatsch | Oliver Tekson, Frank Bojert & Mace |
| Oliver Ton feat. Idvet | Oliver Trak |
| Oliver Twizt | Oliver V. Pres. Ambra |
| Oliver Watt and Paris FZ | Olivia |
| Olivian Nour | Olivier Darock |
| Olivier Gregoire | Olivier S |
| Olly Brunton | Olmiq |
| Olmo | Om & Om's |
| Omaha Feat. Fiona | Omar |
| Omar Chibbaro (Y.E.P) | Omar Santana |
| Omat Ghar | Omega Centauri |
| Omega Nine | Omen |
| OmenOm | Omid S |
| Ominious | Omni |
| Omnik | Omnimotion |
| Omnisphere | Omnitrix |
| OMO | ON OFF |
| On The Beach | On.Vocals |
| Onan | Onassis |
| Ondbraio | Ondbraio Pheyrox |
| onderklank | One 2 One |
| One 7 | One foot in da rave |
| One Love | One Million Dollar Dj |
| One Moon Feat. Mr Jack O | One Night Stand |
| One Track Minds | one2twelve |
| Onetram And Florencio | OneWorld |
| Oni Ayhun | Oniks |
| Onionz featuring S.n.o.w. | Onix, Bredasblar |
| Online | Only Jack Jones |
| Onnik | Onno |
| Onova | Onur Özer |
| Onyx Feat. Gemma J | Ooze feat. Tishk |
| Opacak | Opak |
| Opensouls | Opera Prima |
| Opera vs. Tuccillo | Operating System |
| Operating System pres | Operator |
| Ophidian and Tapage | Opkra |
| opm | Opolopo featuring Amalia |
| Opossum Posse | OpticWave |
| Optic_ | Optik |
| Opus III | Or'l |
| ORAL TUNERZ | Orange Allstars |
| Orange Blend | Orange Bud |
| Orange Clubbers | Orange Factory Feat. Mike Notar |
| Orange Soul feat. Angie Brown | Orbeat |
| Orbit Starz | Orbital |
| Orbital Frame | Orchestral |
| Oreja | Orelse |
| Oren Bi | Organ Donors |
| Organ Donors & Kidd Kaos | Organ Grinder |
| Organic Domain All Stars | Organic Minds |
| Original Lab | Oriol Benedet |
| Oriol Farre | Orion |
| Orion 70 | Orjan Nilsen |
| Orla Feeney | Orlando B |
| Orlando Johnson, Trance | Orlando Voorn |
| Orli & da Ragnio | Orman Bitch |
| Orman Bitch & Royal Ash | Orman Bitch featuring Viper XXL |
| Orpheuz & Mr. Stevens | Orphilus Recordings |
| Orphx | Orson |
| Orson Hentschel | Orson Keith |
| Orson W vs. Mr Wicked | Ortin Cam |
| Ortin Cam & Charles Bells | Ortsib |
| Ory J | Oryon |
| Orzels Machine | Osborne |
| Oscar | Oscar Barila |
| Oscar Barila & Vinylkid | Oscar Burnside |
| Oscar de la Fuente | Oscar Dee, Mario Sforza, Guiseppe Fagnano Malave |
| Oscar G | Oscar G feat Anne Lise Nicole |
| Oscar G Feat Stryke | Oscar L |
| Oscar L & Victor Da House | Oscar L and Sr. Markus |
| Oscar Mulero | Oscar Mulero pres. Trolley Route |
| Oscar Romero, JJ del Valle | Oscar Sala |
| Oscar Salguero | Oscar Segura |
| Oscar Vazquez | OscarFly & Zippitcher |
| Osci | Oshmusik |
| Osictone | Osictone feat. One Big Muscle |
| Oskar Dabro | Oskar Offermann, Edward |
| Osmosehardtech | Ost & Kjex |
| Ost & Meyer | Oste |
| Ostern Glocke | Ostkreuz Rave Community |
| Osunlade | Osunlade feat. Divine Essence |
| Osylver Beat Man | Osylver Project |
| Otf | Otiz |
| Otizmo | Otto Brooklyn |
| Ottone Scammacca | Oud, Claudio Diva |
| Oushanmete | Out Of Control |
| Out Of Grace | Out Of Office feat. The Original |
| Out of Plato's Cave | Outart |
| Outatime | Outcode |
| Outfunk | OutKast |
| Outlines | Outrage |
| Outrage & Prolaxx | Outragers |
| Outsider | Outvasion |
| Over8 | Overdog |
| Overdraft | OVERDRIVE |
| OverDrive Division | Overload |
| Overnoise | Overplay |
| Overset | Overweight Compilation |
| Ovijay | Ovijay, Lucky Luciano |
| Ovis & Michael | Ovnimoon |
| Owain K | Owen and Rune RK |
| Owen Breeze | Owen Ear |
| Owen Grey | Owen Johnston |
| Oxia | Oxia vs Gino's & Snake |
| Oxinox | Oxyden Shadow |
| Oxygen Shadow | Ozgur Can |
| Ozi meets Tom Mountain | Ozilator Projekt |
| Ozka | Ozo |
| Ozy | Ozz |
All Artists