Blue box (disambiguation)

"Blue box" may refer to:

* Blue box, an early phreaking tool that simulates a telephone operator's dialing console.
* Blue box, a distinctive plastic container for the Canadian provinces of British Columbia and Ontario's recycling programs, often called the 'Blue Box program'.
* "Blue Box", an album by Kate Ceberano released in 1996.
* "Blue Box", a Doctor Who novel.
* "Blue Box", a subsidy categorization of the WTO

* A common nickname for a British Police box.
* A nickname for the TARDIS, a spacecraft and time machine shaped like the above mentioned British police boxes, from the TV series Doctor Who.
* The internal moniker for the Classic environment in Mac OS X before naming.
* A windows shell replacement based on the BlackBox window manager for Unix
* The name of a recently reissued guitar effects pedal originally made by the MXR company in the 1970s.
* A section of the negotiation in the agricultural sector of the WTO Doha Round
* The occasional name of the Bluescreen film and video technique.
* The occasional meteorological name for a severe thunderstorm watch.
* A descriptive term used by the American Express company to refer to themselves.
* A device installed on board water vessels that sends data to a satellite system, which transmits them to a land base station which, in turn, sends them to the appropriate monitoring centre.
* The use name of a plot device from the Animorphs series of science fiction books by K. A. Applegate.