MDBI
| Acronym | Definition |
|---|---|
| MDBI | Midwest Discount Brokers, Inc. (Springfield, MO) |
| MDBI | Mean Days Between Injury (sports safety research) |
| MDBI | Multi-Dimensional Block Interface (computer science) |
| MDBI | Murray-Darling Basin Initiative (Australia; sustainability effort) |
| MDBI | Manuel, Daniels, Burke International, LLC (investigative services firm; Alexandria, VA) |