Stygian

Stygian refers to the goddess and underworld river Styx in Greek mythology.

Stygia or Stygian may also refer to:

Animal kingdom

 * Stygia (moth), a genus of moth
 * Stygian owl (Asio stygius), a species of owl
 * Stygian ringlet (Erebia styx), a butterfly belonging to the subfamily Satyrinae

Fiction

 * Stygia (Conan), a setting among the fictional realms of Conan the Barbarian
 * Stygian Witches, name used in Clash of Titans films for the three Graeae of Greek mythology
 * Stygian Penal Colony, a maximum security prison used by the Multiverse Authority in The One
 * Stygian Iron, an iron sword from the Rick Riordan novels
 * A giant worm and core boss in the Fantasy action video game Darksiders
 * The highest difficulty in the video game Darkest Dungeon
 * Stygian, a 2000 film, the directorial debut of James Wan
 * Stygian, also known as the Pony of Shadows, a character in My Little Pony: Friendship Is Magic
 * Stygian doll, an undead fetish (monster) from Act III in video game Diablo II
 * Stygius, the first weapon obtained in the video game Hades (video game)

Others

 * Stygian Cove, in the South Orkney Islands
 * Stygian Software; see Underrail
 * Stygian Vistas, a 1997 EP by Soma
 * HMS Stygian, an S-class submarine of the Royal Navy
 * Stygian blue, a deeply saturated blue-black impossible color
 * "Travel in Stygian", a song by the band Iced Earth
 * " Scribes of the Stygian", a song by the band Incantation (band)