| OUCH | Order of Underwater Coral Heroes | 水下珊瑚英雄勋章 |
| OUCH | Ornstein-Uhlenbeck Models for Comparative Hypotheses | 比较假设的Ornstein-Uhlenbeck模型 |
| OUCH | Organization for Understanding Cluster Headaches | 了解集群头痛的组织 |
| OUCH | Organization of United Church Homes | 联合教会之家组织 |
| OUCH | Ouachita Railroad | 瓦希塔铁路 |
| OUCH | Overwhelming Unforeseen Cost Headaches | 压倒性的不可预见成本头痛 |
| OUCH | Ontario University Competition For Hip | 安大略大学臀围比赛 |
| OUCH | Oxford University Club Hurriers (formerly Mansfield Road Runners; UK) | 牛津大学Hurriers俱乐部（前身为英国曼斯菲尔德路跑队） |
| OUCH | Online Uncertain Constraint Handling | 在线不确定约束处理 |