A diorama is a 19th-century theatrical device or modern three-dimensional model.

Diorama can also refer to:

Diorama (Silverchair album), 2002 Diorama (Kenshi Yonezu album), 2012 Diorama (band), a German electropop band Diorama, Goiás, a town in Goiás state, Brazil Diorama (Efteling), an attraction in Efteling amusement park in the Netherlands Diorama effect, miniature faking of a photograph The Diorama, Regent's Park, a defunct London theatre built in 1823 to show large tableaux paintings

See also Dierama