BAP or bap may refer to:
- Bap (bread), a type of bread roll
- Bali Action Plan
- BAP System, a point system for chess
- Black American Princess
- Broader autism phenotype
- Browning Automatic Pistol is another name used to describe the Browning Hi-Power pistol.
- BAP, prefix for ships of the Peruvian Navy
- Baptists
Places:
- Butte, Anaconda and Pacific Railway
- Buenos Aires and Pacific Railway
- Belvidere Assembly Plant, a Chrysler factory in Belvidere, Illinois
- Buenos Aires Province, the most populated province in Argentina
In science and technology:
- 6-Benzylaminopurine, a plant hormone
- BaP, the US Environmental Protection Agency's abbreviation for benzo(a)pyrene.
- Bandwidth Allocation Protocol
- Berth allocation problem
- Best Aquaculture Practices (BAP)
- Biodiversity Action Plan
Organizations:
- Basketball Association of the Philippines (now defunct), recognized by FIBA as the country's national federation from 1938 to 2007
- Beta Alpha Psi, an honorary organization for financial information students and professionals
- Bankruptcy Appellate Panel
In music:
- Bap Kennedy, a singer/songwriter from Belfast, Northern Ireland
- BAP (German band)
- B.A.P.!!, a band in Guipuzkoa (Basque Country) in 1984
- B.A.P, a South Korean band