| Acronym | Definition |
|---|
| PPU | Porch Pick Up (second-hand sales) |
| PPU | Physics Processing Unit |
| PPU | Praktisk-Pedagogisk Utdanning (Norwegian: Practical Pedagogical Education) |
| PPU | Palestine Polytechnic University |
| PPU | Price Per Unit |
| PPU | Plastic People of the Universe (band) |
| PPU | Power Processing Unit (solar electric propulsion) |
| PPU | Procurement Policy Unit (UK) |
| PPU | Point Park University (Pittsburgh, PA) |
| PPU | Parallel Processing Unit |
| PPU | Power Protection Unit |
| PPU | Peripheral Processing Unit |
| PPU | Pre Production Unit |
| PPU | Pixel Processing Unit |
| PPU | Pre Processor Unit |
| PPU | Pay Per Use |
| PPU | Prime Power Unit |
| PPU | Public Protection Unit (UK) |
| PPU | Portable Production Unit |
| PPU | Packet Pick-Up (racing events) |
| PPU | Peace Pledge Union (UK) |
| PPU | Picture Processing Unit |
| PPU | Police Protection Unit (Zimbabwe) |
| PPU | Postpartum Unit |
| PPU | Professional People in Urbe |
| PPU | Preproduction Unit |
| PPU | Portable Pilot Unit (Microsoft) |
| PPU | Physical Planning Unit (Grenada) |
| PPU | Powerplay Unit (hockey) |
| PPU | Peoples Potential Unlimited (record label that reissues vinyl records) |
| PPU | Pending Pick Up |
| PPU | Please Pick Up |
| PPU | Peripheral Processor Unit |
| PPU | Prvi Partizan Uzice (Serbian ammunition company) |
| PPU | Protocol Processing Unit |
| PPU | Pre Purification Unit |
| PPU | Position Pick-off Unit (aviation) |
| PPU | Post Processing Unit |
| PPU | Pre Processor Utility |
| PPU | Primary Place of Usage |
| PPU | Pixelpushers United (pixel art commune) |
| PPU | Production Prototype Unit |
| PPU | Programme de Prévention Urbaine (French) |