Lock and Key
# Lock and Key

A lock and key is a pair of devices used to secure an object or location from unauthorized access.

Lock and Key or Lock & Key may also refer to:

## Arts, entertainment, and media

### Film

* Taala Te Kunjee (Lock and Key), a 2017 Indian Punjabi-language film

### Literature

* Lock and Key (novel), a 2008 novel by Sarah Dessen
* Lock and Key, a book series by Ridley Pearson

### Music

**Albums and EPs**

* Lock & Key (album), a 2014 album by Cruel Hand
* Lock & Key, an EP by Wild Adriatic

**Songs**

* "Lock and Key" (Klymaxx song)
* "Lock and Key" (Rush song)
* "Lock and Key", a song by Nina Sky
* "Lock and Key", song by SNAFU from the album Situation Normal

## Science

* Lock and key model, a model for the specificity of enzymes and other of biomolecules
* Memory protection, a computer memory protection technique
