| OTAP | Ontwikkel-, Test-, Acceptatie- en Productieomgeving (Dutch) | Ontwikkel-，Test-，Acceptatie-en Productieomgeving（荷兰语） |
| OTAP | Oregon Telephone Assistance Program | 俄勒冈州电话援助计划 |
| OTAP | Over The Air Provisioning (PCS) | 空中供应（PCS） |
| OTAP | Over the Air Programming | 无线编程 |
| OTAP | On Time As Promised | 按时完成承诺 |
| OTAP | Open Travel Data Access Protocol | 开放式旅行数据访问协议 |
| OTAP | Ohio Transition Assistance Program | 俄亥俄州过渡援助计划 |