The Blue Dahlia (disambiguation)

The Blue Dahlia is a 1946 film noir starring Alan Ladd and Veronica Lake.

(The) Blue Dahlia may also refer to:
 * The Blue Dahlia (ballet), a ballet first presented in Russia in 1860
 * The Blue Dahlia, a jazz band featuring Athan Maroulis, and the band's 2000 album
 * "Blue Dahlia", a song by the Gaslight Anthem from Handwritten (The Gaslight Anthem album)
 * "Blue Dahlia", a song by Luke Doucet from Aloha, Manitoba
 * Blue Dahlia, a work by Nora Roberts