SPP

SPP or spp may refer to:

Businesses

Saskatchewan Pension Plan, a government-run pension plan in Canada
Security and Prosperity Partnership of North America, between Canada, Mexico and the United States
Protection and Guard Service ({{langx|ro|Serviciul de Protecţie şi Pază|link=no}}), Romania

Justice and Reconciliation Party (Stranka pravde i pomirenja), a political party in Serbia and Montenegro
Party of Justice and Trust ({{langx|sh|Stranka pravde i povjerenja|link=no}}), Bosnia and Herzegovina
Singapore People's Party, Singapore
Swaziland Progressive Party, Eswatini
Swedish People's Party of Finland, Finland

===Other organizations===

Screening Partnership Program, a program where airports in the United States can use private screening agencies instead of the TSA
Share Purchase Plan, a means of buying shares in a company
Specific physical preparedness, the status of being prepared for the movements in a specific activity
State Partnership Program, protocol used by the National Guard of the United States
Street Performer Protocol, a way of encouraging the creation of creative works in the public domain

Sequenced Packet Protocol, a network transport-layer protocol promulgated by Xerox
Serial Port Profile, a Bluetooth wireless-interface profile
Software Protection Platform, a Microsoft Windows license-validation module
Standard parallel port, a back-formed name for the original Centronics mode of parallel port after introduction of EPP and ECP modes

Self-propelled particles, a concept used in statistical physics to describe swarm behaviour
Spiral Phase Plate, regarding angular momentum and light
Surface plasmon polariton, a type of polariton from strong coupling of plasmons to electromagnetic waves

Science Power Platform, a planned Russian module of the International Space Station
spp. (from {{langx|la|species pluralis|link=no}}), in biological taxonomy
Single Point Positioning is a method used in GPS systems
solar power plant