SPI may refer to:

Organizations

Indian Protection Service Brazil's Indian Protection Service (''Serviço de Proteção aos Índios'', abbreviated as SPI) was a government agency created to administer indigenous affairs. It was created by President Nilo Peçanha in 1910 in response to pressure from Marshal ...

(''Serviço de Proteção ao Índio''), Brazil *

Shotmed Paper Industries Shotmed Paper Industries (spi) is one of the first privately established bond paper mills in Egypt. Shotmed Paper Industries is an industry of Shotmed Company. Besides the Hadera Mill in Israel, it is the only paper mill in the Middle East that pr ...

, an Egyptian paper manufacturers * Simulations Publications, Inc., a former US board game publisher *

Sony Pictures Imageworks Sony Pictures Imageworks Inc. is a Canadian visual effects and computer animation studio headquartered in Vancouver, British Columbia, with an additional office on the Sony Pictures Studios lot in Culver City, California. SPI is a unit of Sony Pi ...

* Stream Processors, Inc, a semiconductor company *

Sisters of Perpetual Indulgence The Sisters of Perpetual Indulgence (SPI), also called Order of Perpetual Indulgence (OPI) is a charity, protest, and street performance organization that uses drag and religious imagery to call attention to sexual intolerance and satirizes issue ...

, an LGBT group *

Society for Philosophical Inquiry The Society for Philosophical Inquiry (SPI) is a non-profit organization devoted to propagating a version of Socratic inquiry through the establishment of regular meetings. Based on their different settings, they are called Socrates Café, Phil ...

Society of the Plastics Industry Founded in 1937, the Society of the Plastics Industry, Inc. was a professional society representing individuals in the plastics industry. In 2010, the organization began doing business as SPI: The Plastics Industry Trade Association, before changi ...

, a U.S. trade association *

Software in the Public Interest Software in the Public Interest, Inc. (SPI) is a US 501(c)(3) non-profit organization domiciled in New York State formed to help other organizations create and distribute free open-source software and open-source hardware. Anyone is eligible to ...

Software Patent Institute Software Patent Institute (established 1992 in Ann Arbor) is an American non-profit corporation established to assist in the correct assignment of software patent. It originally had the name ''University of Michigan Software Patent Institute'', ...

, US * St. Pascual Institution, Philippines school * St. Paul's Institution, a school in Malaysia * Sustainable Preservation Initiative, of cultural heritage *

Sveriges Pensionärers Intresseparti The Swedish Senior Citizen Interest Party (Sveriges pensionärers intresseparti, SPI Välfärden) is a political party in Sweden. As of 2018, it holds no seats in parliament or regional councils, but is represented in Hörby Hörby () (old da, ...

, or Swedish Senior Citizen Interest Party *

Social Progress Imperative The Social Progress Imperative is a US-based nonprofit created in 2012 best known for the Social Progress Index, a multi-indicator index that assesses the social and environmental performance of different countries. The Social Progress Index is a ...

, a US-based nonprofit created in 2012

Computing

SCSI Parallel Interface Parallel SCSI (formally, SCSI Parallel Interface, or SPI) is the earliest of the interface implementations in the SCSI family. SPI is a parallel bus; there is one set of electrical connections stretching from one end of the SCSI bus to the oth ...

Serial Peripheral Interface The Serial Peripheral Interface (SPI) is a synchronous serial communication interface specification used for short-distance communication, primarily in embedded systems. The interface was developed by Motorola in the mid-1980s and has become a ...

Security Parameter Index The Security Parameter Index (SPI) is an identification tag added to the header while using IPsec for tunneling the IP traffic. This tag helps the kernel discern between two traffic streams where different encryption rules and algorithms may be i ...

in IPSec tunneling *

Service provider interface Service provider interface (SPI) is an API intended to be implemented or extended by a third party. It can be used to enable framework extension and replaceable components. Details From Java documentation: The concept can be extended to other pla ...

, an API * Software Process Improvement, of

Data & Analysis Center for Software The Data & Analysis Center for Software (DACS) was one of several United States Department of Defense (DoD) sponsored Information Analysis Centers (IACs), administered by the Defense Technical Information Center (DTIC). It was managed by the U.S. ...

System Packet Interface The System Packet Interface (SPI) family of Interoperability Agreements from the Optical Internetworking Forum specify chip-to-chip, channelized, packet interfaces commonly used in synchronous optical networking and Ethernet applications. A typi ...

for networking * Stateful Packet Inspection for networking

Other uses

Single-point injection Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine. In a mani ...

* ''

Social Progress Index The Social Progress Index (SPI) measures the extent to which countries provide for the social and environmental needs of their citizens. Fifty-four indicators in the areas of basic human needs, foundations of well-being, and opportunity to progre ...

'' of countries *

Abraham Lincoln Capital Airport Abraham Lincoln Capital Airport is a civil-military airport in Sangamon County, Illinois, United States, three miles (6 km) northwest of downtown Springfield. It is owned by the Springfield Airport Authority (SAA). The airport is include ...

(IATA code), US *

Sediment Profile Imagery Sediment Profile Imagery (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the fir ...

underwater * Spi-calculus, a proposed extension of

Π-calculus In theoretical computer science, the -calculus (or pi-calculus) is a process calculus. The -calculus allows channel names to be communicated along the channels themselves, and in this way it is able to describe concurrent computations whose networ ...

* Swiss Performance Index, a stock index

Organizations

Computing

Other uses

See also