| CLTC | China Satellite Launch and TT&C General | 中国卫星发射总部 |
| CLTC | Chemnitzer Lawn-Tennis-Club (Germany) | Chemnitzer草地网球俱乐部（德国） |
| CLTC | Chapter Leadership Training Conference | 第章领导力培训会议 |
| CLTC | Contaminated Land Tax Credit | 污染土地税收抵免 |
| CLTC | Certified in Long-Term Care | 长期护理认证 |
| CLTC | Community Long Term Care | 社区长期护理 |