OCU may mean:
- Ohio Christian University
- Oklahoma City University
- Operational conversion unit, a unit in an air force
- Operational Command Unit, a unit in a police force
- Operator Control Unit, a hardware or software control interface for an automated system
- One Cohesive Unit, a nickname for Annville-Cleona's men's high school soccer team
- Organizacion de Consumidores y Usuarios, a consumer organization in Spain, part of Euroconsumers
- Organized Chaos Unit, a unit of armed Citizens
- Orthodox Church of Ukraine
- Osaka City University, a public university in Osaka, Japan
- Overseas Chinese University, a university in Taichung, Taiwan
This disambiguation page lists articles associated with the title OCU.
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