Parallel

Parallel may refer to:

App

 * Parallel (voice chat app), a voice chat app where friends hangout, popular in the US, Japan, and Thailand.

Mathematics

 * Parallel (geometry), two lines in the Euclidean plane which never intersect
 * Parallel (operator), mathematical operation named after the composition of electrical resistance in parallel circuits

Science and engineering

 * Parallel (latitude), an imaginary east–west line circling a globe
 * Parallel of declination, used in astronomy
 * Parallel, a geometric term of location meaning "in the same direction"

Computing

 * Parallel (software), a UNIX utility for running programs in parallel

Language

 * Parallelism (grammar), a balance of two or more similar words, phrases, or clauses
 * Parallelism (rhetoric)

Entertainment

 * Parallel (manga)
 * Parallel (2018 film), a Canadian science fiction thriller film
 * Parallel (2024 film) an American science fiction thriller film
 * Parallel (video), a compilation of music videos by REM
 * Parallel (The Black Dog album), 1995
 * Parallel (Four Tet album)
 * Parallel (EP), a 2017 EP by GFriend
 * "The Parallel", an episode of the TV series The Twilight Zone

Other uses

 * Parallel, a type of trench; see Siege
 * Avinguda del Paral·lel
 * Parallel (filling stations operator), an operator in Ukraine's oil wholesale and retail markets