Acheron is a river in the Epirus region of Greece, believed in ancient Greek mythology to branch into the underworld.
Acheron may also refer to:
Places Acheron, Victoria, a town in Australia Acheron (Elis), a river in the Peloponnese, Greece Acheron Island, an island off Queensland, Australia Acheron River (Victoria), Australia Acheron River (Marlborough), New Zealand Acheron River (Canterbury), New Zealand
Fiction Acheron (Dungeons & Dragons), an Outer Plane in Dungeons & Dragons cosmology A main character of the webcomic Inverloch A powerful ghost in DC Comics that temporarily joins the Shadowpact The Acheron, a fictional 19th-century French warship in the motion picture Master and Commander: The Far Side of the World Acheron (LV-426), the planet-like moon where the film Alien and its sequel are primarily set Acheron Parthenopaeus, a character in the Dark-Hunter series of romance books "Acheron: Part 1" and "Acheron: Part 2", a two-part episode from the television series The Walking Dead Acheron (Honkai: Star Rail), a playable character in Honkai: Star Rail
Other uses Acheron (band), a Florida death metal band HMS Acheron, the name of several ships of the Royal Navy Acheron-class torpedo boat, a torpedo boat of the New South Wales Naval Brigade , a French Navy submarine commissioned in 1932 and scuttled in 1942 Acheron language, a language of Sudan The earlier name for Abramelin, a Melbourne death metal band "Acheron/Unearthing the Orb", a song by the Sword from the album Warp Riders LARP6 or La-related protein 6, a human protein sometimes referred to as 'Acheron'