Irrlicht

Irrlicht may refer to:


 * Irrlicht, the German name for will-o'-the-wisp, the ghostly light sometimes seen at night over bogs and swamps
 * "Irrlicht", the ninth song in the Winterreise cycle by Franz Schubert
 * Irrlicht (album), by Klaus Schulze
 * Irrlicht Engine, a 3D computer graphics engine
 * Die Irrlichter, a German mediaval/fantasy/folk band
 * Irrlicht (film), a 1919 German silent film