SP
- 25 metre pistol
- 4chan
- Athletics abbreviations
- Boss Corporation
- Boss SP-303
- Centre Party (Norway)
- Game Boy Advance SP
- IBM RS/6000 SP
- Krisztián Éder
- List of aircraft registration prefixes
- Mumzy Stranger
- Piarists
- Provincial road (Italy)
- Roland Corporation
- Roland SP-404
- SATA Air Acores
- SP (TV series)
- SP (magazine)
- SP Technical Research Institute of Sweden
- SP postcode area
- SPS (disambiguation)
- SPs
- Saidapet railway station
- Samajwadi Party
- Sampler (musical instrument)
- ScottishPower
- Section patrol craft
- Security Police (Japan)
- Self-propelled (disambiguation)
- September
- Seri Pahlawan Gagah Perkasa
- Service pack
- Service provider
- Shore patrol
- Silicon Power
- Simulated patient
- Singapore Polytechnic
- Social Democratic Party of Switzerland
- Socialist Party
- Socialist Party (Netherlands)
- Socialist Party (Netherlands, interbellum)
- Socialist Party of Albania
- Socialistische Partij Anders
- Soft-point bullet
- South Park
- Southern Pacific Railroad
- Sp. (biology)
- Spain
- Spanish language
- Special (disambiguation)
- Spelling
- Spontaneous potential
- Spurius (disambiguation)
- Stack pointer
- Starting pitcher
- Starting price
- Stored procedure
- Story Pirates
- Story point
- Státní podnik
- Suara Pembaruan
- Subdominant parallel
- Substance P
- Superintendent (police)
- Superintendent of police (India)
- Suppressive person
- Surface plasmon
- Swatantra Party
- Synthetic programming
- Syrian pound
- São Paulo
- São Paulo (state)
- Südtiroler Pfadfinderschaft
- The Smashing Pumpkins
- Trace (linear algebra)
- Unified Soil Classification System
- VHS