SWP may stand for:
- California State Water Project
- Saskatchewan Wheat Pool
- Scientific Workplace, a mathematics tool with LaTeX support
- Shaun Wright-Phillips, an English international association football player, currently playing for Queens Park Rangers
- Sherwin-Williams Paints
- Single Wire Protocol
- Siemens Wind Power
- Skill With Prizes, a particular category of slot machine
- Sliding window Protocol
- Socialist Workers Party (disambiguation), a number of similarly named political parties
- Somerset Waste Partnership, the group respnsible for recycling and rubbish collection in the county of Somerset, England
- South West Pacific, one of the sub-areas of the IATA area 3 or Traffic Conference Area 3
- Southwest Pennsylvania Railroad
- Sterile Water Papule, a method of pain relief in labour
- Stiftung Wissenschaft und Politik - German institute for international and security affairs