Obsidian (disambiguation)

Obsidian is a type of volcanic glass.

Obsidian may also refer to:

Places
Obsidian, Idaho, a town in Custer County, Idaho

Arts, entertainment, and media
Episodes
"Obsidian", a television episode of the animated series Adventure Time: Distant Lands

Fictional entities
 Obsidian, a synonym for dragonglass, which kills White Walkers and their soldiers in Game of Thrones

Gaming
Obsidian Entertainment, a video game developer

 Computing 
 Obsidian (software), a note-taking application

See also