PBO

PBO may refer to:

• Paperback original, a book originally published as paperback
• Parliamentary Budget Officer
• PbO, the chemical formula for lead(II) oxide
• Pin Bones Out, type of fish fillet from which the "floating” bones running down the middle have been removed
• Pine Bluff Observatory, an astronomical observatory in Wisconsin, USA
• Pinoy Box Office, a 24-hour Filipino Movie cable channel owned by VIVA Entertainment
• Piperonyl butoxide, a pesticide synergist
• Plate Boundary Observatory PBO, a geodetic observatory in the western United States
• Polybenzobisoxazole, a strong heat-resistant polymer; also known as Zylon
• Push Button Objects, a producer of experimental hip-hop
• Projected benefit obligation, Accounting: specially defined pension obligation under US-GAAP
• Public Benefit Organization, Taxation: type of charity or non-profit organization
• Packed Bohemia Object, a type of file (computer sciences). PBO originally meant 'packed bank of files'. This type of file is used in the war games developed by Bohemia Interactive Studio (VBS2, ARMA etc...).

PBO may also stand for:

• The IATA airport code for Paraburdoo Airport, Paraburdoo, Australia
• The UK train station code for Peterborough railway station

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