SL2

SL2 may refer to:

• SL2 (group), British DJ and dance rave act
• Leicaflex SL2, a Leica mechanical reflex camera favoured by press photographers
• SL2, dirigeable airship used for bombing Warsaw in WWI
• SL2, car in the Saturn S-Series
• SL2 flavivirus, clones in cancer research
• SL2 RNA, a non-coding RNA involved in trans splicing in lower eukaryotes
• SL postcode area, the Slough postal region covering Farnham
• the mathematical structure SL₂ (F), special linear group
• Special linear Lie algebra ${\mathfrak {sl}}_{2}$
• Skylab 2 (SL-2), a NASA space mission
• Situational Leadership II, a leadership theory developed by Paul Hersey