| Acronym | Definition |
|---|
| OBT | Overbed Table |
| OBT | Oven-Baked Tradition (Canada) |
| OBT | Oregon Ballet Theatre |
| OBT | Office Binder Template |
| OBT | Office of Business Transformation (various locations) |
| OBT | Orange Blossom Trail |
| OBT | Open Beta Test (software release phase) |
| OBT | Oil Burner Technician (certification) |
| OBT | Optimized Background Therapy |
| OBT | Off-Block Time (aviation departures) |
| OBT | Oakbrook Terrace |
| OBT | On-Board Training |
| OBT | Organically Bound Tritium |
| OBT | Obstetrical Technician |
| OBT | On-Board Trainer |
| OBT | Online Booking Tool |
| OBT | Open Book Tender (various companies) |
| OBT | On Borrowed Time (novel) |
| OBT | Optical Burst Transport |
| OBT | Organic Buyer Targeting (trademark of netPRpro, Inc.) |
| OBT | Optimized Background Treatment |
| OBT | Orange Bitey Thing (P.murinus Tarantula) |
| OBT | Orange Baboon Tarantula |
| OBT | Official Business Trip |
| OBT | Orange and Blue Textbooks (Gainesville, FL) |
| OBT | Overseas Business Travel (UK) |
| OBT | Offbeat Bride Tribe (online community) |
| OBT | Objective-Based Training |
| OBT | Observer Training |
| OBT | Officers Basic Training |
| OBT | Out by Time |
| OBT | On-Board Timer |
| OBT | On Beta-Testing |
| OBT | Oxton Bar & Terrace (UK wine bar) |
| OBT | Online Benefits Tool |
| OBT | Order of British Templars (Canadian temperance lodge active in the 1860s and 1870s) |
| OBT | Off the Beaten Trax (film music library) |