IBD may stand for:
In business:
- Independent Bicycle Dealers, a small bicycle business
- Interest bearing debt, a debt that the debtor needs to pay interest on
- Investment Banking Division, a department of an investment bank
- Investor's Business Daily, a national newspaper in the United States
- Integrated Brand Development, develop brands through strategic planning, Research, PR, Corporate Identity, advertising, events and interactive media in India
In science and medicine:
- Identity by descent, a genetics term
- Inclusion Body Disease, a destructive virus occurring in boid snakes
- Infectious bursal disease, a poultry disease causing immunosuppression
- Inflammatory bowel disease, a group of inflammatory conditions of the large and small intestines
- Iodobenzene dichloride, a reagent used in organic chemistry
Other uses:
- Institute of Brewing and Distilling, an international organisation for brewing
- International Beer Day, an August 5 celebration