Wikipedia
                    IBD
                    
                        
                
                                                                    IBD may refer to:
In business:
- Investment Banking Division, a department of an investment bank
 - Independent Bicycle Dealers, a small bicycle business
 - Investor's Business Daily, a national newspaper in the United States
 
In science and medicine:
- 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
 - Inflammatory bowel disease, a group of inflammatory conditions of the large and small intestines
 - Iodobenzene dichloride, a reagent used in organic chemistry
 - Ion beam deposition
 
Other uses:
- Institute of Brewing and Distilling, an international organisation for brewing
 - International Beer Day, an August 5 celebration