Deirdre (disambiguation)

Deirdre is a feminine given name.

Deirdre may also refer to:
 * Deirdre, a tragic heroine in Irish mythology, from whom the name originates
 * Deirdre (given name), a list of people and fictional characters
 * "Deirdre" (song), a song by the Beach Boys
 * Deirdre (horse), a Thoroughbred racehorse
 * LÉ Deirdre (P20), a ship in the Irish Naval Service