| OPQ | German WW II Battlecruiser class, never built
| Others |
| OPQ | Occupational Personality Questionnaire
| Others |
| OPQ | Occupational Personality Questionnaires
| Others |
| OPQ | Occupational Personality Questionnare
| Others |
| OPQ | Office of Performance and Quality
| Others |
| OPQ | Office of Pharmaceutical Quality
| Others |
| OPQ | Office of Planning and Quality
| Others |
| OPQ | One Piece Quad
| Others |
| OPQ | Open Power Quality
| Others |
| OPQ | Open profiling of quality
| Others |
| OPQ | Optimal Paper Quality
| Others |
| OPQ | Optimal Picture Quality
| Others |
| OPQ | Optimised Price and Quality
| Others |
| OPQ | Optimized Picture Quality
| Others |
| OPQ | Optimizing Performance and Quality
| Others |
| OPQ | Oracle Parallel Query
| Others |
| OPQ | Orbis Party Quest
| Others |
| OPQ | Ordre des psychologues du Quebec
| Others |
| OPQ | Organisational Performance Questionnaire
| Others |