PIB may refer for:
Music "Plug In Baby", a song by UK alternative rock band Muse Purified in Blood (PiB), a Norwegian band
Organisations Papuan Infantry Battalion Press Information Bureau, Government of India
Places Pir Ilahi Buksh Colony (PIB Colony), Sindh, Pakistan Hattiesburg–Laurel Regional Airport (IATA airport code: PIB)
Science and technology Particle in a box (PIB), a model quantum mechanical system Pebibyte (PiB), a unit of digital information storage Pittsburgh compound B (PiB), chemical used in studying Alzheimer's Disease Polyisobutylene or polyisobutene, a synthetic rubber
See also Píib or pib, a Mayan earth oven Permanent interest bearing shares (PIBS), a fixed-interest securities issued by UK building societies One of the two title characters in Pib and Pog, an animated short film created by Aardman Animations