PB
- Athletics abbreviations
- BP (disambiguation)
- Beretta
- Brunei Polytechnic
- CIA cryptonym
- Chris Pontius
- Irizar PB
- JoJo's Bizarre Adventure
- Lead
- PB (pistol)
- PBair
- Pacific Beach, San Diego, California
- Packard Bell
- Packard Bell Corporation
- Paderborn
- Paderborn (district)
- Paintball
- Palladium Books
- Palm Bay, Florida
- Palm Beach, Florida
- Panda Bear (musician)
- Panera Bread
- Paperback
- Paraíba
- Parsons Brinckerhoff
- Participatory budgeting
- Passed ball
- Patrol boat
- Paul's Boutique
- Payback period
- Peanut butter
- Per Bergersen
- Performance Bikes (magazine)
- Performance bond
- Peripheral blood
- Personal record
- Petabit
- Petabyte
- Phantom Blood
- Phenobarbital
- Photobucket
- Pilatus Railway
- Pine Bluff, Arkansas
- Pipe bomb
- Piranha Bytes
- Pirate Bay
- Pismo Beach, California
- Pitney Bowes
- Playboy
- PocketBook International
- Polybutylene
- Port Blair
- Post box
- Post-Bulletin
- Pottery Barn
- Považská Bystrica
- PowerBook
- PowerBuilder
- Powerball
- Premium Bond
- Presiding Bishop
- Price-to-book ratio
- Princess Bubblegum
- Prison Break
- Pro bono
- ProBoards
- Project Blogger
- Prosperity Party
- Prussian Blue (duo)
- Punjab (disambiguation)
- PunkBuster
- Puppy Bowl
- Push button
- Terabit
- Terabyte
- Vehicle registration plates of Germany
- Vehicle registration plates of Slovakia