A placebo is a substance or treatment without intrinsic therapeutic value but administered as if it were a therapy, whether in medical treatment or in clinical trials.

Placebo may also refer to:

  • Placebo (band), an English alternative rock band
  • Placebo (Placebo album), the band's 1996 debut album
  • Placebo, a Belgian jazz band fronted by Marc Moulin
  • Placebo, the band's 1974 self-titled album
  • Placebo (ASP album), a 2022 album by ASP

See also

  • Placebo effect (disambiguation)
  • Nocebo, a harmless substance that creates negative psychologically induced response in a patient