In demonology, Raum is a Great Earl of Hell, ruling thirty legions of demons. He is depicted as a crow which adopts human form at the request of the conjurer.

"Raum, Reym (Rey) or Raim is a great earle, he is seene as a crowe, but when he putteth on humane shape, at the commandement of the exorcist, he stealeth woonderfullie out of the kings house, and carrieth it whether he is assigned, he destroieth cities, and hath great despite unto dignities, he knoweth things present, past, and to come, and reconcileth freends and foes, he was of the order of thrones, and governeth thirtie legions."

— Johann Weyer, Pseudomonarchia Daemonum

Raum steals treasures out of kings' houses, carrying them where he wishes, and destroys cities and dignities of men (he is said to have great dispraise for dignities). Raum can also tell things past, present and future, reconcile friends and foes, and invoke love.

'Raum' in German means "space, room, chamber"; 'räumen' means to empty, evacuate.

Other spellings include Raim, Raym, and Räum.

In the online video game League of Legends, the character Swain tricked the demon 'Raum' in to giving him his power. In the game he is characterized as being the Demon of secrets and knowledge.

In the anime and manga series Welcome to Demon School! Iruma-kun, Raim is a succubus who is also a teacher.

In the online video game Paladins (video game), Raum is a playable character.

Raum is also featured as a character in the Hell Bent series, by with Aurora Ascher.

• The Lesser Key of Solomon, a 17th-century text which references Raum
• Gustav Davidson

• L.M. Mathers, Samuel; Crowley, Aleister (1995) [1904]. The Book of the Goetia of Solomon the King (2 Sub ed.). York Beach, ME: Red Wheel Weiser Conari. ISBN 0-87728-847-X.