IPB can refer to one of the following:
- Institut Pertanian Bogor, an agricultural institute in Indonesia
- International Peace Bureau
- Investiční a poštovní banka, Czech bank
- Invision Power Board
- Isolated-phase bus
- UPLB Institute of Plant Breeding at the University of the Philippines, Los Baños
- Presbyterian Church of Brazil (Igreja Presbiteriana do Brasil), a Brazilian Protestant church
- Intelligence preparation of the battlespace, US Field Manual FM 3.05-301