ZSL

ZSL may refer to:


 * Zoological Society of London, devoted to the worldwide conservation of animals and their habitats
 * Zjednoczone Stronnictwo Ludowe, the United People's Party, a Polish political party 1949–1989
 * Zero shutter lag, in photography
 * Zambian Sign Language
 * Zimbabwean sign languages
 * Saudi Professional League, the top football league in Saudi Arabia