- Cha.O.S (Visual Kei-Japan) - Other name : -CHA.O.S-, カ・オ・ス, CHAOS
- Chaos Of Nazareth (Thrash Death-Israel) - Other name : ex-Chaos
- Chaos (IND) (Thrash Metal-India)
- Chaos (USA) (Thrash Metal-USA) - Other name : Last Sabbath
- Chaos Aftermath (Technical Death-Singapore)
- Chaos Age (Black Metal-Italy)
- Chaos Altar (Black Metal-France)
- Chaos Among Nameless (Deathcore-Italy)
- Chaos And Technocracy (Death Metal-Italy)
- Chaos Apparition (Death Metal-Serbia)
- Chaos Ascending (Symphonic Black-USA)
- Chaos Avatar (Alternative Metal-Venezuela)
- Chaos Before Gea (Metalcore-Spain)
- Chaos Beyond (Melodic Death-Austria)
- Chaos Blade (USA) (Melodic Heavy-USA)
- Chaos Blade (CHN) (Metal-China) - Other name : 谯刃
- Chaos Blood (Deathcore-United-Kingdom) - Other name : CB
- Chaos Calling (Progressive Metal-United-Kingdom)
- Chaos Cascade (Black Death-Germany) - Other name : Satans Karaoke Sleaze Rollercoaster
- Chaos Catharsis (Brutal Death-Canada)
- Chaos Century (Thrash Metal-Canada)
- Chaos Christ (Crust-South-Africa)
- Chaos Chronicles (Gothic Metal-France)
- Chaos Conformity (Heavy Metal-USA)
- Chaos Conspiracy (Death Metal-Brazil)
- Chaos Core (Thrash Death-Italy)
- Chaos Creation (Thrash Metal-Finland)
- Chaos Cult (Death Metal-Romania)
- Chaos Cycle (Death Grind-Philippines)
- Chaos Dei (Black Metal-France)
- Chaos Descends (Thrash Death-Germany)
- Chaos Descent (Death Metal-Iran)
- Chaos Divine (Progressive Death-Australia)
- Chaos Doctrine (Thrash Death-South-Africa)
- Chaos Domain (Black Metal-Finland)
- Chaos Dynasty (Dark Metal-United-Kingdom)
- Chaos Echoes (Death Doom-France)
- Chaos Effect (Death Thrash-USA)
- Chaos Emerald (Grind Electro-USA) - Other name : CE
- Chaos Engine Research (Alternative Metal-Poland)
- Chaos ET Sexual (Experimental Metal-France)
- Chaos Factory (Symphonic Heavy-Italy)
- Chaos Feeds Life (Black Heavy-Sweden)
- Chaos Foundry (Thrash Metal-USA)
- Chaos Frame (Progressive Metal-USA)
- Chaos I Soared In (Melodic Death-Russia)
- Invoke The Carnage (Dark Metal-USA) - Other name : ex-Chaos In Darkness
- Chaos In Head (Hardcore-Czechia)
- Chaos In Paradise (Progressive Metal-Portugal)
- Chaos In Question (Alternative Metal-USA)
- Chaos Inc (Death Metal-Brazil)
- Chaos Incarcerated (Melodic Death-United-Kingdom)
- Chaos Inception (Brutal Death-USA)
- Chaos Infinitum (Death Metal-Finland)
- Chaos Injected (Melodic Death-Finland)
- Chaos Inside (Progressive Metal-Austria)
- Chaos Invocation (Black Metal-Germany)
- Chaos Leaving Storm (Deathcore-Germany)
- Chaos Legion (Black Metal-Sweden)
- Chaos Legions (Thrash Death-France)
- Chaos Logic (Progressive Death-Canada)
- Chaos Luciferi (Black Metal-Italy)
- Chaos Machine (CAN) (Thrash Death-Canada)
- Chaos Machine (BLR) (Crossover-Belarus)
- Chaos Magic (Symphonic Metal-Chile)
- Chaos Moon (Black Metal-USA) - Other name : CM
- Chaos Motion (Technical Death-France)
- Chaos O Sanctuary (Symphonic power-Japan)
- Chaos Omen (Black Metal-Sweden)
- Chaos Opera (Melodic Black-Finland)
- Chaos Path (Death Metal-Germany)
- Chaos Patrol (Heavy Metal-Germany)
- Black Chaos Perversion (Black Death-Chile) - Other name : Chaos Perversion
- Chaos Plague (Progressive Death-Italy)
- Chaos Realm (GRC) (Thrash Death-Greece)
- Chaos Realm (BRA) (Thrash Speed-Brazil)
- Chaos Regal (Death Metal-Singapore)
- Chaos Remains (CRO) (Thrash Metal-Croatia)
- Chaos Remains (Metalcore-Austria)
- Chaos Remnant (Thrash Metal-Finland)
- Chaos Rising (Industrial Metal-Russia) - Other name : ex-Bitterjoy
- Chaos Ritual (Thrash Metal-USA)
- Chaos Sanctuary (Technical Death-USA)
- Chaos Symphony (Brutal Death-USA)
- Chaos Synopsis (Thrash Death-Brazil)
- Chaos System (Visual Kei-Japan)
- Chaos Theory (CAN) (Melodic Metal-Canada)
- Chaos Theory (ITA) (Thrash Metal-Italy)
- Chaos Theory (USA-1) (Hardcore-USA)
- Chaos Theory (USA-2) (Technical Thrash-USA)
- Chaos Therapy (Melodic Death-Tunisia)
- Chaos UK (Hardcore-United-Kingdom)
- Chaos Undivided (Death Metal-Greece)
- Chaos Wasteland (Thrash Metal-Canada)
- Chaos Wielder (Sludge Doom-Sweden)
- Chaos Within (Thrash Death-Canada)
- Chaosanct (Black Death-United-Kingdom)
- Chaosane (Melodic Death-Germany)
- Chaosbaphomet (Black Metal-Greece)
- Chaosbreed (Death Metal-Finland)
- Chaosbringer (Death Metal-Russia)
- Chaoscraft (Black Metal-Greece)
- Chaosdrive (Metalcore-Paraguay)
- Chaoseum (Metalcore-Switzerland)
- Chaosface (Thrash Metal-Brazil)
- Chaosfear (Thrash Metal-Brazil)
- Chaosform (Death Metal-Finland)
- Chaosfrost (Atmospheric Black-Russia)
- Chaosfury (Brutal Death-Indonesia)
- Chaoshorde (Thrash Black-Greece)
- Chaosis (Death Metal-France)
- Chaoslord (Thrash Metal-Finland)
- Chaosmaster (Black Heavy-Brazil)
- Chaosmic (Progressive Metal-USA)
- Chaosmonger (Death Metal-Switzerland)
- Chaosmongers (Death Thrash-USA)
- Chaosophia (Black Metal-Argentina)
- Chaosophy (Black Metal-USA)
- Chaosphere (USA) (Hardcore-USA)
- Chaosphere (GER) (Death Metal-Germany)
- Viscera (ITA) (Experimental Metal-Italy) - Other name : Viscera///, ex-Chaosphere
- Chaosphere (UK) (Death Metal-United-Kingdom)
- Chaosphere (PL) (Death Thrash-Poland)
- Chaosphere (BRA) (Thrash Heavy-Brazil)
- Chaosphere (ITA) (Gothic Black-Italy)
- Chaospiracy (Death Metal-Italy)
- Chaospit (Death Metal-France)
- Chaosreign (Death Metal-Austria)
- Chaossphere (Thrash Metal-Germany)
- Chaosstar (Progressive Heavy-Slovenia)
- Chaossworn (Black Death-Sweden)
- Chaostar (Atmospheric Gothic-Greece)
- ChaosUC (Gothic Doom-Poland)
- Chaoswave (Melodic Metal-Italy)
- Chaosweaver (Dark Metal-Finland)
- Chaoswolf (Black Metal-Mexico)
- Chaosys (Technical Thrash-Sweden)