| Abbreviation | Definition |
|---|---|
| QSC | Quay Sailing Club |
| QSF | Qatar Squash Federation |
| QSL | Queensland State League |
| QST | Quad-State Storm Team |
| QTB | Quasi Turn Based gaming |
| QTE | Quick Timing Event |
| QTF | Qatar Tennis Federation |
| QTO | IECG Quad Tournaments Office |
| QTTA | Qatar Table Tennis Association |
| QUB | Q Universal Boardgame |
| QVQ | Queen versus Queen |
| QW | Quality Of Wrestler |
| QW | Quatre Winner |
| QWA | Queensland Weighlifting Association |
| QWC | Quidditch World Cup |
| QWS | Quality League World Series |
| QX | Queen-Unknown ( Bridge) |
| QXX | Queen-Unknown-Unknown ( Bridge) |
| QXXX | Queen-Unknown-Unknown-Unknown ( Bridge) |
| QYA | Queensland Yachting Association |