SPF may refer to:

Science and technology

Sun protection factor Sunscreen, also known as sunblock or sun cream, is a photoprotective topical product for the skin that mainly absorbs, or to a much lesser extent reflects, some of the sun's ultraviolet (UV) radiation and thus helps protect against sunburn and ...

, of sunscreen * Specific-pathogen-free, laboratory animals known to be without pathogens * Superplastic forming, of sheet metal *

Space Power Facility Space Power Facility (SPF) is a NASA facility used to test spaceflight hardware under simulated launch and spaceflight conditions. The SPF is part of NASA's Neil A. Armstrong Test Facility, which in turn is part of the Glenn Research Center. The ...

, a NASA test facility *

S-phase-promoting factor #Introduction: ##S-phase-promoting factor(SPF) is varying Cdk/cyclin complexes in eukaryotes that initiates the S-phase in the cell cycle. SPF is at its peak when the cell cycle is transiting from G1 phase to the S-phase. The SPF is at its lowest ...

, in biology * Formal spectrum of a ring, a construction in algebraic geometry * Spray polyurethane foam, a building insulation material * Spruce-pine-fir, mixed softwood timber

Computing

Sender Policy Framework Sender Policy Framework (SPF) is an email authentication method designed to detect forging sender addresses during the delivery of the email. SPF alone, though, is limited to detecting a forged sender claim in the envelope of the email, which i ...

, for email authentication * Shortest Path First, or Dijkstra's algorithm * IBM Structured Programming Facility, later ISPF

Organizations

* , the oldest poetry society in France * , the Argentine Federal Penitentiary Service * (Conspiracy of Fire Nuclei), Greek terrorist organization

Police

* Scottish Police Federation *

Singapore Police Force The Singapore Police Force (SPF) is the national and principal law enforcement agency responsible for the prevention of crime and law enforcement in the Republic of Singapore. It is the country's lead agency against organised crime; human, weapo ...

* Somali Police Force *

Special Police Force Special police usually describes a police force or unit within a police force whose duties and responsibilities are significantly different from other forces in the same country or from other police in the same force, although there is no consist ...

, a unit within a police force

Economics

Survey of Professional Forecasters The Survey of Professional Forecasters (SPF) is a quarterly survey of macroeconomic forecasts for the economy of the United States issued by the Federal Reserve Bank of Philadelphia. It is the oldest such survey in the United States. The survey i ...

, US macroeconomic forecasts survey * ECB Survey of Professional Forecasters, macroeconomic forecasts

Other uses

Security Policy Framework The Security Policy Framework (or "SPF") is a set of high-level policies on security, mainly affecting the UK government and its suppliers. The structure has changed over time. Version 11 was published in October 2013; it has 20 "Mandatory Require ...

, UK *

Social protection floor The social protection floor (SPF) is the first level of protection in a national social protection system. It is a basic set of social rights derived from human right treaties, including access to essential services (such as health, education, h ...

* Annual

Summer Play Festival The Summer Play Festival (SPF) was a theatre festival held in New York, USA. Description The annual four-week Summer Play Festival took place during the summer months at the Public Theater in New York City. It was founded by Broadway producer Ariel ...

, New York City, US * Black Hills Airport (IATA airport code), South Dakota, US * Sherwood Park Freeway, Edmonton, Alberta, Canada *

Springfield railway station (Scotland) Springfield railway station serves the village of Springfield in Fife, Scotland. The station has two platforms and is unstaffed. Services are operated by ScotRail. History The station was opened in 1847 by the Edinburgh and Northern Railway ...