Blue Devil

Blue Devil may refer to:
 * Blue Devil (DC Comics), comic character
 * Blue Devil (blimp), American intelligence-gathering blimp under development in 2011
 * Blue Devil (mascot), the mascot of the Duke University athletic teams
 * Blue Devil (bombsight), a post-war version of the Mark XIV bomb sight
 * Blue Devil (song), a traditional country-western song, revived by Hank Williams III on the Neotraditional country album "Risin' Outlaw"
 * The Little Blue Devil, a 1919 play by Harold Atteridge and Harry Carroll

Blue devil may also refer to the following plants or animals:
 * Paraplesiops, a genus of fishes, commonly called "blue devil"
 * Echium vulgare, a European plant naturalized in North America and commonly known as "blue devil"
 * Eryngium ovinum, an Australian plant commonly known as "blue devil"
 * Eryngium pinnatifidum, another plant from Western Australia, also known as "blue devil"

Blue devil may also refer to the following Chevrolet Automobiles:
 * Chevrolet Corvette (C6), the blue colour of Corvette ZR1 (2008-2013), commonly called "blue devil"