SPI

{{Self reference|Within Wikipedia, SPI may refer to Wikipedia:Sockpuppet investigations.}} {{Wiktionary|spi}} '''SPI''' may refer to: {{TOC right}}

==Businesses== * Simulations Publications, Inc., a former US board game publisher * Sony Pictures Imageworks, a subsidiary of Sony specializing in computer animation * Stream Processors, Inc, a semiconductor company

==Organizations== * Indian Protection Service, a former Brazilian agency whose Portuguese name (Brazil's native language) is ''Serviço de Proteção ao Índio'' * Sisters of Perpetual Indulgence, an LGBT activism movement * Society for Philosophical Inquiry, a non-profit organization devoted to propagating a version of Socratic inquiry * Society of the Plastics Industry, a U.S. trade association * Software in the Public Interest, an American non-profit organization dedicated to the creation and distribution of free open-source software * Software Patent Institute, an American non-profit organization assisting in obtaining software patents * St. Pascual Institution, Philippines school * St. Paul's Institution, a school in Malaysia * Sustainable Preservation Initiative, of cultural heritage * Sveriges Pensionärers Intresseparti, or Swedish Senior Citizen Interest Party * Social Progress Imperative, a US-based nonprofit created in 2012

==Computing== * SCSI Parallel Interface, a suite of standards for inter-connecting electronic devices * Serial Peripheral Interface, the de facto standard for serial communication * Security Parameter Index in IPSec tunneling * ''Server Programming Interface'', an API for PostgreSQL to run SQL queries from the C programming language * Service provider interface, an API for Java * Software Process Improvement, an approach to software development initiated by the Data & Analysis Center for Software * System Packet Interface for networking * Stateful Packet Inspection for networking

==Other uses== * Schedule Performance Index, a figure of merit used in earned value management * Single-point injection, an obsolete method of injecting fuel into an internal combustion engine * ''Social Progress Index'' of countries * Abraham Lincoln Capital Airport (IATA code), US * Sediment Profile Imagery, a technique for underwater photography of the interface between the seabed and the overlying water * South Padre Island, a resort town in Cameron County, Texas * Spi-calculus (Synchronous ''{{pi}}-calculus''), a proposed extension of ''{{pi}}-calculus'' * Superintendent of Public Instruction, a state-level official in the United States who is responsible for public education (all states have such an official, but some states have a slightly different title for the position) * Swiss Performance Index, one of the indecies used to measure the performance of the SIX Swiss Exchange

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