BDI

BDI may refer to:

Science and technology

Beck Depression Inventory, a psychometric test for measuring the severity of depression
Belief–desire–intention model, a cognitive model developed by Michael Bratman
- Belief–desire–intention software model, a methodology and framework for programming rational and intelligent agents
bdi (bi-directional isolation), an HTML element that isolates an online section of text
Big Data Institute, at the University of Oxford

Baltic Dry Index, an economic indicator
Bradford Interchange, West Yorkshire, England (National Rail station code)
Brand development index, a measure used in the allocation of media, and promotion for a specific product or service
Bundesverband der Deutschen Industrie, Federation of German Industries
Burundi (ISO 3166-1 alpha-3 country code)
Democratic Union for Integration, the largest Albanian political party in North Macedonia
Behavioural Dynamics Institute, a precursor to the SCL Group