SLI

SLI may refer to:

Science and technology

 * Safe Load Indicator, in cranes
 * SLI battery, used in automotives
 * Space Launch Initiative, a US project
 * Specific language impairment, a medical diagnosis
 * Symmetric level-index arithmetic, in mathematics

Computing

 * Scalable Link Interface, for connecting multiple Nvidia video cards
 * Scan-Line Interleave, for connecting multiple 3dfx video cards
 * Service level indicator, a measure of the service level

Organizations

 * SAP Labs India, the Indian subsidiary of SAP AG
 * SLI Systems, a software company in New Zealand
 * Sylvania Lighting International
 * Southwestern Louisiana Institute, of Liberal and Technical Learning, US
 * Somerset Light Infantry, a former regiment in the British Army

Other uses

 * Sensory Logical Introvert, a type in the socionics pseudoscientific theory
 * Swiss Leader Index, a market index
 * Street light interference, a pseudoscientific idea
 * Supplemental Liability Insurance, for car rental