| Acronym | Definition |
|---|
| PSEA➣Pennsylvania State Education Association |
| PSEA➣Public Safety Employees Association (Alaska, USA) |
| PSEA➣Prevention of Sexual Exploitation and Abuse |
| PSEA➣Platform System Engineering Agent (job title) |
| PSEA➣Pointing and Safemode Electronics Assembly |
| PSEA➣Payload Safing and Electronics Assembly |
| PSEA➣Public Service Employees' Association |
| PSEA➣Public Service Employees Act (Canada) |