| EUSO | Extreme Universe Space Observatory | 极端宇宙空间天文台 |
| EUSO | Electric Utility System Operation | 电力系统操作 |
| EUSO | Ethomusicology Undergraduate Student Organization | 民族音乐学本科生组织 |
| EUSO | Exeter University Symphony Orchestra (UK) | 埃克塞特大学交响乐团（英国） |
| EUSO | European Union Science Olympiad | 欧洲联盟科学奥林匹克 |