| ESSA | Environmental Survey Satellite | 艾萨(环境勘测卫星) |
| ESSA | English Schools Swimming Association | 英国学校游泳协会 |
| ESSA | East of Scotland Squash Association | 苏格兰东部壁球协会 |
| ESSA | Exercise Science Students Association | 运动科学学生协会 |
| ESSA | Emergency Social Services Association | 紧急社会服务协会 |
| ESSA | European Social Simulation Association Conference | 欧洲社会模拟协会会议 |
| ESSA | Environmental Science Students Association | 环境科学学生协会 |
| ESSA | Employment Service Systems Administrator (UK) | 就业服务系统管理员（英国） |
| ESSA | Earthfriendly and Self Sufficient Architecture | 环保自给自足的建筑 |
| ESSA | Eastern Shan State Army | 东部掸邦军队 |
| ESSA | European Scientists Sequencing Arabidopsis | 欧洲科学家对拟南芥进行测序 |
| ESSA | Electronic Systems Security Analyst (USAF) | 电子系统安全分析师（USAF） |
| ESSA | Explosive Safety Self Assessment | 爆炸物安全自我评估 |
| ESSA | Economic Society of South Africa | 南非经济学会 |
| ESSA | Stockholm Arlanda Airport, Sweden (ICOA code) | 瑞典斯德哥尔摩阿兰达机场（ICOA代码） |
| ESSA | Electronic Systems Security Assessment | 电子系统安全评估 |
| ESSA | Environmental Science Services Administration | 环境科学服务管理局 |
| ESSA | Engineering of Software Services for Pervasive Environments (workshop) | 普适环境软件服务工程（研讨会） |