SWP
- Association "Polish Community"
- California State Water Project
- German Institute for International and Security Affairs
- PEF Survey of Palestine
- SWAPO
- Saskatchewan Wheat Pool
- Scientific WorkPlace
- Sherwin-Williams
- Single Wire Protocol
- Skill with prize
- Socialist Workers Party (disambiguation)
- South Wales Police
- Southwest Pennsylvania Railroad
- Südwest Presse
- Vim (text editor)
- Wikimedia Polska