Dyad

Dyad or dyade may refer to:

Arts and entertainment

 * Dyad (music), a set of two notes or pitches
 * Dyad (novel), by Michael Brodsky, 1989
 * Dyad (video game), 2012
 * Dyad 1909 and Dyad 1929, ballets by Wayne McGregor
 * Dyad Institute, a fictional biotech corporation in the Canadian TV series Orphan Black

Other uses

 * Dyad (biology), a pair of sister chromatids
 * Dyad (philosophy), used by the Pythagoreans for the number two, representing "twoness" or "otherness"
 * Dyad (sociology), a group of two people
 * Grizzled Young Veterans, also known as The Dyad, a British professional wrestling tag team