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