| Acronym | Definition |
|---|
| IDB | Inter-American Development Bank |
| IDB | Islamic Development Bank |
| IDB | Integrated Database |
| IDB | International Data Base |
| IDB | Israel Discount Bank |
| IDB | Industrial Development Board (for Northern Ireland) |
| IDB | Information Database |
| IDB | Independent Data Base |
| IDB | Internet Data Base |
| IDB | Intel Debugger |
| IDB | Intelligent Data Base |
| IDB | Identity Data Base |
| IDB | Integrated Data Base |
| IDB | Interactive Data Base |
| IDB | Interface Descriptor Block |
| IDB | Identifier for Bitmap |
| IDB | Institute for Defense and Business (UNC Chapel Hill, LOGTECH) |
| IDB | Inventory Database |
| IDB | Iowa Department for the Blind |
| IDB | Industrial Development Revenue Bond (finance, aka IDR or IDRB) |
| IDB | Internal Data Bus |
| IDB | Inter-Dealer Brokers (banking) |
| IDB | Industrial Development Bank (Jordan) |
| IDB | Intelligence Database |
| IDB | In Da Butt |
| IDB | Involuntarily Denied Boarding (aviation) |
| IDB | Intensional Database |
| IDB | Interface Descriptor Block (Cisco) |
| IDB | Interface Data Block (Cisco) |
| IDB | Improvement District Board (various locations) |
| IDB | ISDN Dial Backup |
| IDB | Inter-Dealer Bond |
| IDB | Inlichtingen Dienst Buitenland (Dutch: Foreign Intelligence Service) |
| IDB | Illicit Diamond Buying (in South Africa) |
| IDB | Inter-Dimensional Being |
| IDB | Intelligent Drum and Bass (music subgenre) |
| IDB | I Deserve Better |
| IDB | Interleaved Dual Boost |
| IDB | Image Data Base |
| IDB | Interoperability Database |
| IDB | In-suit Drink Bag (spacesuits) |
| IDB | Informational Drug Brochure |
| IDB | European Injury Data Base |
| IDB | Investment Decision Board |
| IDB | Instruction Dispatch Buffer |
| IDB | Islam Kalkinma Bankasinin |
| IDB | Invoice Derived Billing |
| IDB | Irrigation and Drainage Branch |
| IDB | Information Data Block |