| Acronym | Sense | Language | Topics |
|---|---|---|---|
| PCU | Payload Checkout Unit | In English | → Astronautics |
| PCU | Power Condition Unit | In English | → Energy economics |
| PCU | Power Conditioning Unit | In English | → Energy economics |
| PCU | Power Control Unit | In English | → Energy economics |
| PCU | Power Conversion Unit | In English | → Energy economics |
| PCU | Pressure Control Unit | In English | |
| PCU | Process Control Unit | In English |