| 缩写 | 全称 | 中文释义 |
|---|---|---|
| OPPA | Operation Plan Package Appraisal | 作战计划一揽子估价 |
| OPPA | Ontario Political Payoff Act | 安大略省政治回报法 |
| OPPA | Ontario Provincial Police Association | 省警协会 |
| OPPA | Online Privacy Protection Act of 2003 | 2003年《在线隐私保护法》 |
| OPPA | Oregon Public Purchasing Association | 俄勒冈公共采购协会 |
| OPPA | Ohio Promotional Products Association | 俄亥俄州促销品协会 |