| ISBL | inside battery limits | 工艺界区 |
| ISBL | Ise Blu Equity Corporation | 伊势蓝股权公司 |
| ISBL | Information Systems Base Language | 信息系统基础语言 |
| ISBL | Inverted Short BaseLine | 反转短基线 |
| ISBL | InSide the Battery Limit | 界区内 |
| ISBL | Institutions Sans But Lucratif (French: Not-For-Profit Institutions) | 非营利机构（法语：非营利机构） |
| ISBL | International Symposium on Ball Lightning | 球闪电国际研讨会 |
| ISBL | International Simulated Baseball League | 国际模拟棒球联赛 |
| ISBL | International Society of Biblical Literature | 国际圣经文学学会 |