PBB
PBB as a three-letter abbreviation may refer to:
- Deutsche Pfandbriefbank, a German bank abbreviated to and traded as PBB
- Parallel Building Blocks, an Intel multicore programming product
- Partai Bulan Bintang or Crescent Star Party, an Indonesian political party
- Parti Pesaka Bumiputera Bersatu, a Malaysian political party
- Passenger boarding bridge or jet bridge, a connector that extends from an airport terminal gate to an airplane
- Pauls und Braunes Beiträge or Beiträge zur Geschichte der deutschen Sprache und Literatur (Contributions to the History of the German Language and Literature), an academic journal
- Philippine Business Bank
- Pinoy Big Brother, the Philippine version of the reality television show Big Brother
- Polybrominated biphenyl, a group of manufactured chemicals
- Provider Backbone Bridges or IEEE 802.1ah-2008, a set of network routing protocols
- Public Bank Berhad, one of bank perdagangan in Malaysia
- Perserikatan Bangsa-Bangsa, Indonesian abbreviation for United Nations