OECA
| Acronym | Definition |
|---|---|
| OECA | Office of Enforcement and Compliance Assurance |
| OECA | Organizaciones Económicas Campesinas (Campesino Economic Organizations) |
| OECA | Ontario Educational Communications Authority (Canada) |
| OECA | Ohio and Erie Canalway (Cleveland, OH) |
| OECA | Optoelectronic Components and Applications (Dahlwitz-Hoppegarten, Germany) |
| OECA | Orthogonal Electrode Catheter Array (cardiovascular medicine) |