JSL

JSL may refer to:

• JSL, Joint Station LAN, International Space Station
• JSL S.A., a Brazilian logistic company
• Japanese: The Spoken Language, a Japanese textbook
  • JSL romanization, the romanization system used in the text
• Jamaican Sign Language
• Japanese Sign Language (ISO 639-3: jsl)
• Japan Soccer League
• JMP Scripting Language, a programming language used in the JMP statistical software
• Jonathan Stuart Leibowitz, given name of comedian Jon Stewart
• Journal of Symbolic Logic
• Le Journal de Saône-et-Loire, a French daily newspaper
• Luxembourg Socialist Youths (French: ), a political youth organization