IADB

IADB may refer to:

• Inter-American Development Bank, an international organization to support Latin American and Caribbean economic and social development and regional integration
• Inter-American Defense Board, an international committee of nationally appointed defense officials in North, Central, and South America
• Integrated Archaeological Database, an open source web based application for archaeological excavation projects
• Internet Actor's Database, a Los Angeles based internet company that provides websites, web-tools and resources for actors