SML may refer to:

Economics Sammarinese lira (ISO 4217 code) Security market line, a representation of the capital asset pricing model Sistema de Pagamentos em Moeda Local, local currency payment system Canadian Silver Maple Leaf, abbreviated as SML

Organisations and businesses Scottish Militant Labour, 1990s Trotskyist political party SML Isuzu, commercial vehicle manufacturer, India Soheil Mosun, architectural manufacturer and design-build company, Toronto, Canada Sony Music Latin, an American record label Strasser Marigaux & Lemaire, French musical instrument manufacturer

Places

South Manchester Line, a tram line of the Manchester Metrolink, England Sterling Memorial Library, Yale University, New Haven, Connecticut, US St Mary's Church, Longfleet, Dorset, England

Science and technology Sea surface microlayer, the top millimeter of the ocean surface Shoals Marine Laboratory, a seasonal marine field station on Appledore Island, Maine, U.S. Standard ML, a programming language Service Modeling Language, to allow computing applications to communicate

Other uses SML, a jazz quintet composed of Gregory Uhlmann, Josh Johnson, Jeremiah Chiu, Anna Butterss, and Booker Stardrum Super Mario Land, a video game for the Game Boy Survey Motor Launches, decommissioned survey vessels of the Royal Navy Suriname Major League, top division association football league in Suriname