| ISSM | Institute of Sales and Marketing Management (UK) | 英国销售与营销管理学院 |
| ISSM | International Society for Sexual Medicine (Maarn, The Netherlands) | 国际性医学学会（荷兰马恩） |
| ISSM | Information Systems Security Monitoring | 信息系统安全监控 |
| ISSM | Information Systems Security Manager | 信息系统安全经理 |
| ISSM | Institute for the Study of Security Markets | 证券市场研究所 |
| ISSM | Institut Steacie des Sciences MolÉculaires (French: Steacie Institute for Molecular Sciences; Canada) | Institut Steacie des Sciences MolÉculaires (French: Steacie Institute for Molecular Sciences; Canada) |
| ISSM | Interim Semi-Static Stability Model (DIME/PMESII tool for evaluating the situation in OOTW) | 临时Semi-Static稳定性模型为工具,硬币/ PMESII(评估OOTW局势) |
| ISSM | International Symposium on Semiconductor Manufacturing | 半导体制造国际研讨会 |
| ISSM | Indonesian Students Scientific Meeting | 印度尼西亚学生科学会议 |
| ISSM | International Student Services Management | 国际学生服务管理 |
| ISSM | Idle Speed Stepper Motor | 怠速步进电机 |