| ESSS | East Side Science Squad | 东区科学队 |
| ESSS | Electronic Sensors and Systems Sector (Northrop Grumman Corporation) | 电子传感器和系统部门（诺斯罗普·格鲁曼公司） |
| ESSS | External Support Supply System | 外部支持供应系统 |
| ESSS | Electronic Single Support Strategy | 电子单一支持策略 |
| ESSS | Engineering Simulation and Scientific Software Ltda (Brazilian software company) | 工程仿真与科学软件有限公司（巴西软件公司） |
| ESSS | Enhanced Services Sales Support (Sprint) | 增强服务销售支持（Sprint） |
| ESSS | Electronic Staff Summary Sheet | 电子员工汇总表 |
| ESSS | External Stores Support System | 外部仓库支持系统 |
| ESSS | External Stores Support System (US Army UH-60 helicopter) | 外部仓库支持系统（美国陆军UH-60直升机） |