Octet

Octet may refer to:

Music

 * Octet (music), ensemble consisting of eight instruments or voices, or composition written for such an ensemble
 * String octet, a piece of music written for eight string instruments
 * Octet (Mendelssohn), 1825 composition by Felix Mendelssohn
 * Octet (Bruch), 1920 composition by Max Bruch
 * Octet (Beethoven), 1793 composition by Ludwig van Beethoven
 * Octet (Lachner), 1850 composition by Franz Lachner
 * Octet (Reich), 1979 composition by Steve Reich
 * Octet (Reinecke),1892 composition by Carl Reinicke
 * Octet (Schubert), 1824 composition by Franz Schubert
 * Octet (Stravinsky), 1923 composition by Igor Stravinsky
 * Violin octet, a family of stringed instruments
 * Octet (musical), a musical by Dave Malloy

Ballet

 * Octet (Christensen), 1958 ballet by Willam Christensen
 * Octet (Martins), 2003 ballet by Peter Martins

Science and technology

 * Octet (computing), a grouping of eight bits
 * Byte, a unit of digital information that most commonly consists of eight bits
 * Octet stream, alternative name for byte stream
 * Octet rule, chemical theory stating that atoms tend to combine so they each have eight valence electrons
 * Octet truss, type of space frame