Blue box (disambiguation)
# Blue box (disambiguation)

Blue box is an early phreaking tool that simulates a telephone operator's dialing console.

Blue box may also refer to:

## Technology

* Link Trainer or Blue Box, a flight simulator
* Blue Box, a Mac OS 8 emulation layer from the Rhapsody OS which became the Mac OS X Classic Environment
* MXR Blue Box, an octave effect for electric guitars
* Nickname of Hessdalen AMS, as it uses a blue container

## Entertainment

* TARDIS, or "the blue box", a time machine and spacecraft in the British TV series Doctor Who
* Blue Box (novel), a Doctor Who novel by Kate Orman
* Blue Box (album), a 1996 album by Kate Ceberano
* Blue Box (manga), a manga series by Kouji Miura
* Bluebox Limited, a film production company

## Other uses

* Blue Box, common name for the tree species Eucalyptus baueriana and Eucalyptus magnificata
* Blue box (WTO agreement), a subsidy category of the World Trade Organization
* Blue box recycling system, initially a waste management system used by Canadian municipalities
* A nickname for Kraft Dinner packaged stovetop macaroni and cheese
* A British police box
* A severe thunderstorm watch, in meteorology
* JNF collection boxes, Jewish National Fund blue charity collection boxes
