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 Specific-pathogen-free (SPF) is a term used for laboratory animals that are guaranteed free of particular pathogens. Use of SPF animals ensures that specified diseases do not interfere with an experiment. For example, absence of respiratory pathog ...

, laboratory animals known to be without pathogens *

Superplastic forming Superplastic forming is an industrial process used for creating precise and complex components out of superplastic materials. Process The material is first heated up to promote superplasticity. For titanium alloys e.g. Ti 6Al 4V and some stainless ...

, 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 Building insulation materials are the building materials which form the thermal envelope of a building or otherwise reduce heat transfer. Insulation may be categorized by its composition (natural or synthetic materials), form (batts, blankets, loo ...

Spruce-pine-fir Spruce-pine-fir (SPF) is a classification of lumber that can be traded on commodities exchanges. In Canada, and parts of the United States, most of the spruce tree species, pine tree species, and fir tree species share similar physical and ...

, 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 is ...

, for email authentication *

Shortest Path First Dijkstra's algorithm ( ) is an algorithm for finding the shortest paths between nodes in a graph, which may represent, for example, road networks. It was conceived by computer scientist Edsger W. Dijkstra in 1956 and published three years la ...

, 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 The Scottish Police Federation (SPF) is an organisation representing Scottish police officers. It has approximately 18,500 members across the Police Service of Scotland. It campaigns on issues that affect pay and conditions though police officers ...

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, wea ...

Somali Police Force ) , mission = , formedyear = , formedmonthday = , preceding1 = Police Corps of Somalia (1910–1960) , employees = , volunteers = , budget = , nongovernment = , country ...

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 consiste ...

, 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 The ECB Survey of Professional Forecasters, simply called the Survey of Professional Forecasters (SPF), is a quarterly survey of macroeconomic forecasts for the economy of Europe issued by the European Central Bank (ECB). History The ECB Survey ...

, 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 Requirem ...

, 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, hou ...

* 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 Black Hills Airport
. "Black Hills Airport". (Clyde Ice Field) is a public airport three miles (5 km) east of

...

(IATA airport code), South Dakota, US *

Sherwood Park Freeway Sherwood Park Freeway is a freeway that connects east Edmonton to Sherwood Park in Alberta, Canada. It begins in the Gainer Industrial area where Argyll Road and 82 (Whyte) Avenue merge before intersecting 50 Street. It then ...

, 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 ...

, station code