Chaos Reigns is a thrash metal band from Youngstown, Ohio, formed in 2010, that delivers straightforward, aggressive thrash in the tradition of the classic American bands that shaped the genre. The band features members trained at respected music programs including Berklee College of Music and Youngstown State's Dana School of Music.

Chaos Ritual is a groove and thrash metal band from Cincinnati, Ohio that formed on the city's east side and quickly built a local following, opening for national acts including Soulfly, Geoff Tate, and Sanctuary. The band later continued under the name Critical Khaos.

Chaos Theory is a groove metal and hardcore band from Bordentown, New Jersey that formed in the mid-1990s and was part of the state's robust metallic hardcore scene during that era. The band drew on the collision of groove metal heaviness and hardcore intensity that defined much of the New Jersey underground at the time.

Chaos Theory is a thrash metal band from Hertford, North Carolina that delivers straightforward melodic thrash in a region not traditionally associated with the genre. The band operates independently within the North Carolina metal underground.

Chaos Warehouse is a progressive thrash metal band from Colorado Springs, Colorado that combines the compositional complexity of progressive metal with the raw brutality of thrash, addressing social and political themes in their lyrics. Their debut album Revolucien and follow-up Taking the Sun showcase a politically engaged approach to technical heavy metal.

Chaosmongers was a thrash metal band from Detroit, Michigan, formed in 2002, connected to other Detroit metal acts of the same period. The band remained an independent underground act throughout their existence before splitting up.

Chaosphere is a US power and thrash metal band that fuses the melodic ambition of power metal with thrash aggression. The band operates independently, releasing music through their Bandcamp page.

Chaotic Entity is a death and thrash metal band from Grafton, North Dakota, formed in 2018, that blends brutal and melodic death metal alongside thrash influences, drawing lyrical themes from gore, science fiction, and social commentary. They released both a demo and the album Body Harvest independently in 2021.

Chaotic Evil is a crossover thrash band from Bakersfield, California that combines thrash metal riffs with hardcore punk aggression in the classic Southern California crossover tradition. The band operated independently before eventually splitting up.

Chaotic Injustice is a thrash metal band from Portland, Oregon, formed as a three-piece featuring members of Mangled Corpse and Menacing Terror, that debuted with a demo in 2021 released on Headsplit Records. Their sound delivers straightforward, riff-driven thrash in the Pacific Northwest underground.

Chaotic Noise was a crossover thrash band from Venice, California, active in the early 1980s as part of the vibrant Venice Beach punk and metal scene alongside Suicidal Tendencies and Beowülf. The band changed its name to Excel in 1985 and went on to greater prominence in the LA crossover scene.

Chapstik is a stoner and thrash metal band with roots in San Antonio, Texas, that relocated to Detroit, Michigan, playing a low-end-heavy blend of Melvins-influenced sludge and punk-edged thrash. The band released three full-lengths across their active years from 1997 to 2011, including Barnburner on Unfortunate Miracle Records.

Chapter 13 is a heavy and thrash metal band from North Idaho that blends the classic heavy metal sound with thrash sensibilities. The band operates independently out of the Pacific Northwest.

Queens death-thrash outfit Charnel House drew from New York's fertile extreme metal soil, combining the aggression of early thrash with the morbid textures of death metal. Their approach reflects the raw intensity that defined the New York underground in the genre's formative years.

Englewood's Charon plays thrash metal with the blunt force and speed-obsessed energy that flourished in Florida's scene alongside its more globally recognized death metal movement. Their sound is rooted in classic late-80s thrash without much concession to modern production trends.