SSL

SSL may refer to:

Entertainment

Sainsbury's Supermarkets Ltd, a British supermarket chain
Sisters of St. Louis, a congregation of Roman Catholic nuns
Solid State Logic, a manufacturer of audio mixing consoles
Space Sciences Laboratory, in Berkeley, California, United States
Space Systems Laboratory (Maryland), at the University of Maryland, United States (formerly at MIT)
Space Systems Laboratory (MIT), at the Massachusetts Institute of Technology (separate from the SSL that moved to UMD)
Space Systems Laboratory, at additional universities
SSL (company), formerly Space Systems/Loral, a satellite manufacturer
System Simulation Ltd, a British software company

Sodium stearoyl lactylate, a food additive
Standard sea level, physical conditions at sea level
Sumatra squall lines, a weather phenomenon that affects the Malay Peninsula and Singapore

Secure Sockets Layer, a former standard security technology, deprecated in June 2015, for establishing an encrypted link between a server and a client
- Transport Layer Security, the successor of the above standard
Solid-state lighting
Semi-supervised learning and Self-supervised learning, classes of machine learning techniques
Single stuck line, a fault model for digital circuits
Start-stop logic
S/SL programming language

Sub-surface lines, cut-and cover railway lines forming part of London Underground
South Shore Line, commuter railroad linking Chicago to South Bend, Indiana