Theory of everything (disambiguation)

A theory of everything is a hypothetical physical theory that would explain all known physical phenomena.

Theory of everything may also refer to:

Philosophy

 * Theory of everything (philosophy), a hypothetical all-encompassing philosophical explanation of nature or reality
 * A Theory of Everything, a book by Ken Wilber dealing with his "integral theory"

Film and television

 * "The Theory of Everything" (CSI), an episode of CSI: Crime Scene Investigation
 * The Theory of Everything (2006 film), a TV film
 * The Theory of Everything (2014 film), a biographical film about Stephen and Jane Hawking
 * The Theory of Everything (2023 film), a mystery thriller film

Music

 * Theory of Everything (album), 2010 album by Children Collide
 * The Theory of Everything (Ayreon album), 2013
 * The Theory of Everything (Life on Planet 9 album), 2014