Obsidian (disambiguation)

Obsidian can refer to:

• Obsidian, a volcanic glass
• Obsidian (comics), a DC Comics character
• Obsidian (1986 Game), a 1986 game written for the Amstrad CPC.
• Obsidian (computer game), a 1996 adventure game developed by Rocket Science Games
• Obsidian (Transformers), a Transformers character
• Obsidian Entertainment, a software developer
• Obsidian (RPG), a roleplaying game
• Obsidian Order, the fictional Cardassian intelligence agency from Star Trek
• Cursed Obsidian, the GEM used by the Valkyrjies in My-Otome.