SPI

• Abraham Lincoln Capital Airport
• Data & Analysis Center for Software
• Indian Protection Service
• SCSI Parallel Interface
• SPI 200 futures contract
• SPI Communication Protocol
• SPL (disambiguation)
• Security Parameter Index
• Sediment Profile Imagery
• Sensitive personal information
• Serial Peripheral Interface
• Service provider interface
• Shotmed Paper Industries
• Simulations Publications, Inc.
• Sisters of Perpetual Indulgence
• Social Progress Index
• Society for Philosophical Inquiry
• Society of the Plastics Industry
• Software Patent Institute
• Software Process Improvement
• Software in the Public Interest
• Sony Pictures Imageworks
• Spi-calculus
• Spy (disambiguation)
• St. Pascual Institution
• St. Paul's Institution
• Stateful packet inspection
• Stream Processors, Inc
• Sustainable Preservation Initiative
• Sveriges Pensionärers Intresseparti
• Swiss Performance Index
• System Packet Interface
• Π-calculus