| OZN | Organizacija Druzenih Narodov | 德鲁泽尼赫·纳罗多夫组织 |
| OZN | Obiecte Zburatoare Neidentificate (Romanian: unidentified flying object) | Obiecte Zburatoare Neidentification（罗马尼亚语：不明飞行物体） |
| OZN | Obiect Zburator Neidentificat | 目标Zburator Neidentification |
| OZN | Ozmodeus Network | Ozmodeus网络 |
| OZN | Prince Christians Sund Radio | Prince Christians Sund电台 |