Plug-in
# Plug-in

Plug-in, plug in or plugin may refer to:

* Plug-in (computing) is a software component that adds a specific feature to an existing computer program.
   * Audio plug-in, adds audio signal processing features
   * Photoshop plugin, a piece of software that enhances the functionality of Adobe Photoshop
* Plug-in electric vehicle, type of electric vehicle
   * Plug-in hybrid, a type of plug-in electric vehicle
* Glade PlugIns, fragrance distribution product
* Plug Ins, chain of electronics stores owned by Al-Futtaim Group

## People with the surname

* Vladimir Plugin (1937–2003), Russian historian and art historian
