Look up liar liar pants on fire in Wiktionary, the free dictionary.
Liar Liar is a 1997 Jim Carrey film.
Liar Liar may also refer to:
- Liar, Liar (1993 film), a TV movie
- "Liar! Liar!, "a song by B'z
- "Liar Liar" (Cris Cab song)
- "Liar, Liar" (The Castaways song), a song covered by Debbie Harry
- "Liar Liar", a 2013 song by Avicii from True
- "Liar Liar" (Christina Grimmie song), 2011
- "Liar, Liar", a 2008 song by In Fiction from The Forecast
- "Liar Liar", a 2016 song by Oh My Girl from Pink Ocean
- "Liar Liar (Burn in Hell)", a 2007 song by the Used from Lies for the Liars
- "Liar Liar GE2017", a 2017 song by Captain SKA
- Liar, Liar (novel series), a Japanese light novel series
- Liar × Liar, a Japanese manga series by Renjūrō Kindaichi