| NOPP | National Oceanographic Partnership Program | 国家海洋学伙伴计划 |
| NOPP | National Office of Pollution Prevention (Canada) | 国家污染预防办公室（加拿大） |
| NOPP | Notification of Privacy Practices | 隐私惯例通知 |
| NOPP | Notice Of Privacy Practices | 隐私惯例通知 |
| NOPP | National Ocean Policy Study | 国家海洋政策研究 |