An alloy is a material composed of two or more metals or a metal and a nonmetal.

Alloy may also refer to:

Entertainment Alloy (Skepticism album), 2008 Alloy (Trillium album), 2011 Alloy, the combined form of fictional DC Comics characters the Metal Men Alloy Digital, a digital media company folded into Defy Media Alloy Entertainment, a print and television unit sold to Warner Bros. Television "Alloyed" (The Lord of the Rings: The Rings of Power), an episode of the first season of The Lord of the Rings: The Rings of Power

Other uses Alloy (company), an American financial technology company Alloy (specification language), a declarative specification language Alloy wheel, wheels made from an alloy of aluminum or magnesium Alloy, West Virginia, an unincorporated community in the US

See also Aloy, the main playable character of the RPG games Horizon Zero Dawn and Horizon Forbidden West