| Abbreviation | Definition |
|---|---|
| OTS | Office of Thrift Supervision |
| OTS | On The Spot |
| OTSO | Off the Shelf Option |
| OTW | Off To Work |
| OTW | Operation Team Work |
| OTY | Of The Year |
| OU | Operating Unit |
| OUCH | Overwhelming Unforeseen Cost Headaches |
| OutOftheLoop | Not privy to information |
| OV | office visit |
| OVB | Orthonormal Vector Basis |
| OVP | Orange Value Promise |
| OW | Offer Wanted |
| OWV | On-line Work Verification |
| OWV | Outside Work Vacation |
| OY | Osakeyhito - Finnish stock company |
| OYB | Optimize Your Business |
| OYNO | On Your Next Order |
| OYT | Obey Your Thirst |
| OZ | Organizational Zodiac |