| QTC | I Have A Message to Send (radiotelegraphy) | 我有消息要发送（无线电报） |
| QTC | Q-T Corrected (corrected Q-T interval) | Q-T校正（校正的Q-T间隔） |
| QTC | Que Te Cagas | 奎特卡加斯 |
| QTC | QuickTime Conferencing | QuickTime会议 |
| QTC | Quantitative Technology Corporation | 定量技术公司 |
| QTC | Quality Technology Company | 质量技术公司 |
| QTC | Quarterly Training Calendar | 季度培训日历 |
| QTC | Quantum Tunneling Composite | 量子隧穿复合材料 |
| QTC | Quick Time Conference | 快速会议 |
| QTC | Quester Tangent Corporation (North Saanich, British Columbia, Canada) | Quester Tangent公司（加拿大不列颠哥伦比亚省北萨尼奇） |
| QTC | Quantum Tai Chi Gauge Theory | 量子太极规范理论 |
| QTC | Quick Textfile Converter | 快速文本文件转换器 |
| QTC | Quantum Tunnelling Composite | 量子隧道合成物 |
| QTC | How many messages have you to send? | 你要发多少条消息？ |
| QTC | Quality Transmission Components | 质量传输组件 |
| QTC | Quantum Tunneling Compound | 量子隧穿化合物 |
| QTC | Queensland Turf Club | 昆士兰草坪俱乐部 |
| QTC | Quality Tourism for the Caribbean | 加勒比优质旅游 |
| QTC | Quantitative Tissue Characterization | 定量组织表征 |
| QTC | Quarterly Training Conference | 季度培训会议 |