| IDOC | Illinois Department of Corrections | 伊利诺伊州惩教局 |
| IDOC | Intrusion Detection Optical Communication | 入侵检测光通信 |
| IDOC | Idaho Department of Correction | 爱达荷州矫正部 |
| IDOC | In Danger of Collapse (gaming, Ultima Online house condition) | 有倒塌危险（游戏、Ultima Online房屋状况） |
| IDOC | Internal Dynamic Overload Control | 内部动态过载控制 |
| IDOC | Intermediate Document (SAP) | 中间文档（SAP） |
| IDOC | In Danger Of Collapse | 有倒塌危险 |