| Acronym | Definition |
|---|
| OPAQ➣Osteoporosis Assessment Questionnaire |
| OPAQ➣Occupational Physical Activity Questionnaire (biostatistics) |
| OPAQ➣Organic Producers Association of Queensland (Bellingen, New South Wales, Australia) |
| OPAQ➣Organización para la Proscripción de las Armas Químicas (Spanish: Organization for the Prohibition of Chemical Weapons; various locations) |
| OPAQ➣Offer Parent-Adolescent Questionnaire (psychology) |
| OPAQ➣Offer Physician-Adolescent Questionnaire (psychology) |