Rainbow were a British Heavy Metal band formed by former Deep Purple guitarist Ritchie Blackmore in 1975. In addition to Blackmore, the band originally consisted of former Elf members lead singer Ronnie James Dio, keyboardist Mickey Lee Soule, bassist Craig Gruber, and drummer Gary Driscoll. Over the years Rainbow went through many lineup changes.

Rainbow is an album by Ayumi Hamasaki. It was released on December 18, 2002. This album featured more music producing from DAI (of Do As Infinity) and Crea (Hamasaki's producer pen name).

Rainbow (Радуга, pronounced: Raduga) is a fictional planet described in Far Rainbow by Arkady and Boris Strugatsky. This planet is a part of the so called Noon Universe and presents a planetwide experimental laboratory used by null-physicists (scientists working on null-T, a sort of teleportation used in the Noon Universe since the second half of XXII century). It isn't clear when it was discovered but, presumably, somewhere between 2146 and 2154 AD.

Rainbow is the ninth album and sixth studio album by American pop/R&B singer Mariah Carey, released in the United States on November 2 1999 (see 1999 in music) by Columbia Records. It is a collaboration-heavy album which found Carey working with a wide range of producers and artists that dominated the music scene of the late 1990s; Rolling Stone called the album "a sterling chronicle of accessible hip-hop balladeering at the close of 1999."Berger, Arion. http://www.rollingstone.com/artists/mariahcarey/albums/album/94565/review/5946092/rainbow "Mariah Carey - Rainbow". Rolling Stone.

Rainbow was a Dolly Parton album from 1987, her first after switching labels to CBS Records, after nearly two decades with RCA. The original plan was for Parton to alternate between releasing pop and country albums (rather than trying to combine the two styles on each album), but due to Rainbow's poor sales and tepid critical reception, the plan was quickly abandoned, and Parton more or less focussed on recording country material for the remainder of her association with CBS.

Rainbow is an album by American country singer Johnny Cash, his last for Columbia Records, released in 1985 (see 1985 in country music). "I'm Leaving Now", which appeared fifteen years later as a track on Cash's American III: Solitary Man, was released as a single rather unsuccessfully, but the album's signature song is a cover of Kris Kristofferson's "Here Comes That Rainbow Again", which also appeared on Cash's 1995 collaboration with Kristofferson, Willie Nelson and Waylon Jennings - known as The Highwaymen - entitled The Road Goes on Forever, though it was sung solo by Kristofferson on the latter. Also included is a cover of Creedence Clearwater Revival's "Have You Ever Seen the Rain?," from Pendulum.

Rainbow is a collaborative album between Japanese experimental doom band Boris and psychedelic guitarist Michio Kurihara. This album in particular is somewhat quiet and upbeat in sound, almost lounge-like in some parts. Wata contributes vocals to the title song, which has a music video made for it by Foodunited.