SSL may refer to: Entertainment RoboCup Small Size League, robotics football competition Sesame Street Live, a touring version of the children's television show StarCraft II StarLeague, a Korean league in the video game Supersonic Legend, a rank in Rocket League Shifting Sand Land, a level in Super Mario 64 Natural languages Samoan Sign Language Selangor Sign Language Somali Sign Language Spanish as a Second Language Spanish Sign Language Swedish Sign Language Organizations Sisters of St. Louis, a congregation of Roman Catholic nuns SSL (company), formerly Space Systems/Loral, a satellite manufacturer Space Sciences Laboratory, in Berkeley, California, US Space Systems Laboratory (Maryland), at the University of Maryland, US (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 Solid State Logic, a manufacturer of audio mixing consoles Sainsbury’s Supermarkets Ltd, a British supermarket chain Places South Salt Lake, Utah, a city in the US Social Science Library, Oxford, at the University of Oxford Science and technology 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 Computing and electronics Secure Sockets Layer, a standard security technology for establishing an encrypted link between a server and a client Solid-state lighting Semi-supervised learning, a class of machine learning techniques Single stuck line, a fault model for digital circuits Start-Stop Logic S/SL programming language Sport Star Sailors League, a sailing league S.S. Lazio (Società Sportiva Lazio), an Italian football team South Shore League, an athletic conference in Massachusetts, US Swedish Super League (disambiguation), a floorball league in Sweden Sweden Super League, a rugby league competition in Sweden Saitama Seibu Lions, a baseball team in Japan Other uses Sub-surface lines, cut-and cover railway lines forming part of London Underground