| EUSA | European Union Studies Association | 欧洲联盟研究协会 |
| EUSA | Eurpoean University Sports Association | 欧洲大学体育协会 |
| EUSA | Electrical & Utilities Safety Association (Ontario, Canada) | 电气及公用设施的安全协会(加拿大安大略省) |
| EUSA | Edison United Soccer Association | 爱迪生联合足球协会 |
| EUSA | Edinburgh University Students' Association (Scotland) | 爱丁堡大学学生协会(苏格兰) |
| EUSA | Empire United Soccer Association | 帝国联合足球协会 |
| EUSA | Edinburgh University Student Association | 爱丁堡大学学生协会 |
| EUSA | End User Software Agreement | 最终用户软件协议 |
| EUSA | e-United States of Africa | e-非洲合众国 |
| EUSA | Eighth United States Army | 美国第八军团 |
| EUSA | Eighth United States Army ( Korea) | 美国第八军（朝鲜） |
| EUSA | Employers United for a Stronger America | 雇主联合起来建设更强大的美国 |
| EUSA | ExhibitsUSA | 展览美国 |
| EUSA | End User Special Access | 最终用户特殊访问 |
| EUSA | End User Support Agreement | 最终用户支持协议 |