IBD
# IBD

IBD may refer to:

## Medicine

* Inflammatory bowel disease, a group of inflammatory conditions of the large and small intestines

## Organisations

* Investment Banking Division, a department of an investment bank
* Independent Bicycle Dealers, a small bicycle business
* Institute of Brewing and Distilling, an international industry trade association

## Science

* Identity by descent, alleles that are identical because they descended directly from the same ancestral allele
* Inclusion body disease, a destructive virus occurring in boid snakes
* Infectious bursal disease, a poultry disease causing immunosuppression
* Inverse beta decay, a nuclear reaction commonly used in neutrino detectors
* Iodobenzene dichloride, a reagent used in organic chemistry
* Ion beam deposition

## Other

* International Beer Day, an August 5 celebration
* India's Best Dancer, a dance reality show
* Investor's Business Daily, a national newspaper in the United States
