Psion
# Psion

Psion or Psions may refer to:

## Fiction

* Psion (comics), an alien race in stories from DC Comics

### Literature

* Psion, a fictitious "unit of mental energy" in the 1951 novella The Greatest Invention by Jack Williamson
   * Psion, a person with psionic abilities
* Psion, a 1982 novel by Joan D. Vinge
* Psion (想子), a fictional substanceless particle and psychic phenomenon, the basis of magic in The Irregular at Magic High School
* Rhon psion (or Ruby psion), a group of telepaths in the Saga of the Skolian Empire novels

### Video gaming

* Psion (role-playing games) a character with in role-playing games
   * Psion (Dungeons & Dragons), a character class in Dungeons & Dragons
* Psions (Freedom City), a fictional adversary group in Freedom City
* Psions, a fictional group in the game Adventure!
* Psion, an alien species with extraordinary powers assimilated by the Cabal Empire in the video games Destiny and Destiny 2
* Psion, a species of enemy in the video game Into the Breach

## Science

* Psion, the J/ψ meson (discovered 1974)

### Computing

* Psion (company), a manufacturer of handheld computer devices
   * Psion Organiser
   * Psion Series 3
   * Psion Siena
   * Psion Series 5
   * Psion Revo
   * Psion netBook
   * Psion Series 7
