La De Da (spelled various ways) is a derisive term for pretentious refinement or affected gentility

La De Da (and variant spellings) may also refer to:

Music Songs "La De Da" (Ringo Starr song), 1998 "La Di Da Di", a 1985 song by Doug E. Fresh "La Di Da" (Everglow song), 2020 "My Heart Goes (La Di Da)", a 2021 song by Becky Hill and Topic La Di Da, a song by Lennon Stella "La de da de da de da de day oh", a 2018 song by Bill Wurtz "La Di Da", a song by The Internet

Albums La De Da (album), by Joel Plaskett Lah-Di-Dah, a 1991 album by Jake Thackray La Di Da Di, a 2015 album by Battles

Other La De Da (music festival), an annual music festival held in New Zealand The La De Da's, a New Zealand rock band