Heterodyne (disambiguation)

Heterodyne refers to a radio signal processing technique.

Heterodyne may also refer to:
 * Characters in the anime television series Dai-Guard
 * Characters in the webcomic Girl Genius
 * Heterodyne (poetry)
 * Heterodyne., Hellnear's doujin music circle
 * Heterodyne detection
 * Optical heterodyne detection