Parallel may refer to:

Mathematics and science

• Parallel (geometry)
• Parallel (latitude), an imaginary east-west line circling a globe

Proper name

• Parallel (manga), a shōnen manga by Toshihiko Kobayashi
• Parallel (video), a video album by R.E.M.
• "The Parallel", an episode of The Twilight Zone
• Parallel 9, a British children's television show
• Parallel (Music) an alternative hip hop group based out of Southern California
• Avinguda del Paral·lel, one of the main streets of Barcelona
• "Parallel", the fourth track on Bad Religion's 1996 album The Gray Race

Music

• Parallel key, the minor (or major) key of a major (or minor) key with the same tonic
• Harmonic parallelism, also known as "harmonic planing" or "parallel voice leading"
• Parallel fifths, the concurrence of successive intervals of a perfect fifth between two voices

Other uses

• Parallelism (grammar), a balance of two or more similar words, phrases, or clauses
• Parallel algorithm
• Parallel circuits, as opposed to series
• Parallel computing
• Parallel cousin
• Parallel evolution
• Parallel import, also known as a "grey market product"
• Parallel universe (disambiguation)
• Parallel port
• Parallel communication
• Parallel parking
• Parallel study, a type of clinical study
• Parallel transport, in mathematics using vectors and smooth curves
• Parallels Workstation, virtualization software

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.