KBSI
| Acronym | Definition |
|---|---|
| KBSI | Korea Basic Science Institute |
| KBSI | Knowledge Based Systems, Inc. |
| KBSI | Kansas Building Science Institute (building science and energy performance training; various locations; est. 1996) |
| KBSI | Kuwait Boat Show International (annual) |
| KBSI | Kidapawan Bonsai Soceity, Inc. (Philippines) |