- BBPI stands for Bilfinger Berger Project Investments (infrastructure development; Germany)
- BBPI stands for Biscayne Bay Partnership Initiative (est. 1999; Florida)
- BBPI stands for Big Boy Pants Index (football)
- BBPI stands for Basic Business Products, Inc. (Kansas City, KS)
- BBPI stands for Bowman-Birk Protease Inhibitor (molecular biology)
- BBPI stands for Boston Bicycle Planning Initiative
- BBPI stands for Barry Blau Partners Inc
- BBPI stands for Bowman Birk Proteinase Inhibitor
BBPI