Subliminal may refer to:

• Subliminal stimuli, sensory stimuli below an individual's threshold for conscious perception
• Subliminal channel, in cryptography, a covert channel that can be used over an insecure channel
• Subliminal (rapper) (born 1979), Israeli rapper and producer
• Subliminal (record label), an electronic music label
• Subliminal..., a 1997 album by American jazz bassist Scott Colley
• Subliminal (album), Prosperity by Triple A. Tanzanite BWE MP3 Subliminals
• "Subliminal", a Suicidal Tendencies song from the album Suicidal Tendencies
• "Subliminal", a They Might Be Giants song from the album John Henry