Aavah was a gothic/power metal band from São Paulo, Brazil, active from 2005 until their eventual split-up. The band blended melodic power metal with gothic atmosphere and Christian lyrical themes, releasing the EP A Night in the Wild Garden in 2006 and the single Endless Ocean in 2008. Their lineup featured vocalist Paula Kel alongside a full ensemble recorded through Kidman Estúdio.

Adaia is a power metal band from Cartago, Valle del Cauca, Colombia, formed in 2011 by guitarist Jorge Soto, vocalist Cristian Badillo, and drummer Jaime Guzmán. The band crafts melodic heavy metal centered on themes of freedom, hope, death, and love, drawing on the classic power metal influences the members grew up with. They operate as an independent act and released early material including the 2013 single "Muerto en Vida."

After:Life was a power metal band from São Paulo, Brazil, active from 2011 until their split-up. Operating in the tradition of Brazilian melodic power metal, the band explored themes of philosophy, loss, and science fiction, releasing material through Die Hard Records before eventually disbanding.

AfterDreams is a power metal band from Campana, Buenos Aires, Argentina, with a discography that includes the albums Wildfire (2012) and Nightmare (2017), the latter showcasing a hard rock and power metal approach rooted in themes of faith and perseverance. The band's lineup has featured members performing under stage names including Paulie Danger on vocals, Bryan Blade and Freddie Crazy on guitars, Ernie Raven on bass, and Nicko Thunder on drums. Active in the Argentine metal scene, AfterDreams have built a following through years of recorded output and live performances.

Akroma is a power metal band from Río Cuarto, in the province of Córdoba, Argentina, active since the mid-2000s in the country's underground metal circuit. The band contributed a cover of "Gates of Babylon" to the Argentine Ronnie James Dio tribute compilation Memento: Homenaje a un Grande in 2012, alongside acts such as Helker and Adrián Barilari. They represent Córdoba's provincial power metal scene, outside the Buenos Aires capital cluster where most Argentine metal activity is concentrated.

Aliquid is a progressive/power metal band from Aracaju, Sergipe, Brazil, formed in 2011 and active in the northeastern Brazilian underground metal scene. Playing in a genre dominated by bands from the south and southeast, Aliquid brings melodic progressive metal with power metal dynamics to a region less commonly represented in Brazilian metal discourse. The band is unsigned and independent, releasing music through Bandcamp.

Alliance is a progressive power metal band from Fortaleza, Ceará, bringing the melodic ambition of the genre to Brazil's northeast. Formed in 2014, they sit within a tradition of Brazilian power and prog metal acts known for technically ambitious compositions and soaring vocals.

Almah was a São Paulo progressive power metal band founded in 2006 by Edu Falaschi, who had previously fronted Angra for a decade. Falaschi left Angra in 2012 to focus entirely on Almah, releasing albums including 'Motion' (2011), 'Unfold' (2013), and 'E.V.O.' (2016), and the band performed at Rock in Rio (2013) and ProgPower USA (2015) before eventually going on indefinite hiatus.

Alquimia are a heavy and power metal band from Valparaíso, Chile, with roots going back to 1997. The band released their debut album Fe Contra Fe in 2001 and followed it fifteen years later with their self-titled record Alquimia in 2016; the current lineup features guitarists Jorge Meyer and Pablo Guzmán alongside vocalist Ivan De La Fuente and drummer Sergio Amor. Their themes of rebellion and spirituality have remained a constant throughout their long-running career in the Valparaíso metal scene.