| OLTC | Open Loop Tracking Complex | 开环跟踪综合体 |
| OLTC | On-Line Trace Compression | 在线跟踪压缩 |
| OLTC | Options for Long Term Care | 长期护理选项 |
| OLTC | Open-Loop Tracking Complex | 开环跟踪综合体 |
| OLTC | Off Line Tesla Coil | 离线特斯拉线圈 |
| OLTC | On-Load Tap Changer (electrical generator transformers) | 有载分接开关（发电机变压器） |
| OLTC | On-Line Tap Changer | 在线分接开关 |
| OLTC | Office of Long-Term Care | 长期护理办公室 |