| Abbreviation | Definition |
|---|---|
| RQN | Ressonância Quadrupolar Nuclear |
| RQN | RNA Quality Number |
| RQN | Rosenstein Quality Norm |
| RQN | Rural Quality Network |
| RQNS | Revitalizing Quality Nutrition Services |
| RQNW | Rumah Quran Nahdlatul Wathan |
| RQP | Recycler Qualification Program |
| RQP | Remote Question Protocol |
| RQP | Right Question Project |
| RQPA | Rietveld Quantitative Phase Analysis |
| RQQ | radio quiet quasar |
| RQQ | Request to Qualify and Quote |
| RQQ | Robust Quantile Quantile |
| RQR | Remastered Quadro Recording |
| RQR | Requirements Quarterly Report |
| RQR | Royal Queensland Rifles |
| RQRD | Real Quarterback Rating Differential |
| RQRD | Réseau québécois de recherche sur la douleur |
| RQRMNTS | Requirements |
| RQS | Rate Quote System |