PUW
| Acronym | Definition |
|---|---|
| PUW | Pop-Up Waste (plumbing) |
| PUW | Pop up Window |
| PUW | Polski Uniwersytet Wirtualny (Polish: Polish Virtual University; Maria Curie-Sklodowska University in Lublin; Lublin, Poland) |
| PUW | Pick Up Weight (drilling) |
| PUW | Pullman, WA, USA - Pullman (Airport Code) |
| PUW | Pop-Up Window |
| PUW | Power Up to Write (software) |