LFO

LFO may refer to:
 * Low-frequency oscillation, typically below 20 Hz

Arts, entertainment and media

 * LFO (British band)
 * "LFO", a song on the album Frequencies
 * LFO (American band)
 * LFO (album)
 * LFO (film), 2013 Scandinavian sci-fi
 * Little Fighter Online, a Windows game

Other uses

 * London Festival Orchestra
 * Lakeview – Fort Oglethorpe High School, Georgia, United States
 * LFO scandal, a political scandal in Poland
 * Legal Framework Order, 1970, Pakistan, a decree concerning elections