The word inferno, and similar words, have several meanings. It came via Italian from Latin infernus, which means "being underneath".

In general

• Inferno, an alternate word for Hell, a place or a state of painful suffering according to many religious beliefs
• Inferno, is an alternate word for a large Fire
• Inferno (broomball), the name of an American broomball team
• Inferno (operating system), an operating system for creating and supporting distributed services
• Inferno, a brand of Brunswick bowling balls
• Infernus, a Swedish submersible RIB boat (see subskimmer)

In fiction

• Inferno, the first volume of Dante Alighieri's The Divine Comedy
• Inferno (DC Comics), a member of the Legion of Super-Heroes published by DC Comics
• Inferno (Doctor Who), a serial in the British science fiction television series Doctor Who
• Inferno (Exemplar), a supervillain in Marvel Comics.
• Inferno (Marvel Comics), a crossover in which the X-Men battled demons led by Jean Grey's clone Madelyne Pryor
• Inferno (novel), a 1976 science fiction novel written by Larry Niven and Jerry Pournelle
• Inferno (Transformers), an Autobot character in the Generation 1 Transformers series; and the name of a Predacon in the Transformers: Beast Wars series; and the name of several characters in other Transformers series

In film

Hollywood, USA

• Inferno (1953 film), directed by Roy Ward Baker, and starring Robert Ryan and Rhonda Fleming.
• The Towering Inferno (movie) (1974), directed by Irwin Allen and John Guillermin, and starring Steve McQueen, Paul Newman, William Holden, Faye Dunaway, and Fred Astaire, among others.
• Inferno (1995 film), directed by Peter Keglevic, and starring Emma Sjöberg.
• Inferno (1997 film), directed by Fred Olen Ray, and starring Don 'The Dragon' Wilson.
• Inferno (1998 film), a television movie directed by Ian Barry.
• Pilgrim (film), sometimes called Inferno when shown on cable television, directed by Harley Cokeliss, and starring Ray Liotta and Gloria Reuben.
• Inferno (2001 film), directed by Dusty Nelson, and starring Jeff Fahey and Janet Gunn