| Acronym | Definition |
|---|
| IPIB➣Igreja Presbiteriana Independente do Brasil (Portuguese: Independent Presbyterian Church of Brazil) |
| IPIB➣Internet Produto Interno Bruto (Portuguese: Internet Gross Domestic Product; Brazil) |
| IPIB➣Intelligence Preparation of the Information Battlespace (Zel Technologies) |
| IPIB➣Intense Pulsed Ion Beam |