SM or sm may refer to:
Smallpox was an infectious disease caused by either of two virus variants, Variola major and Variola minor.
Smallville is an American television series developed by writer-producers Alfred Gough and Miles Millar, based on the DC Comics character Superman created by Jerry Siegel and Joe Shuster.
A smartphone is a mobile phone (also known as cell phones or mobiles) with an advanced mobile operating system that combines features of a personal computer operating system with other features useful for mobile or handheld use.
The Smithsonian Institution (/smɪθˈsoʊniən/ smith-SOE-nee-ən), established in 1846 "for the increase and diffusion of knowledge," is a group of museums and research centers administered by the Government of the United States.
A smartwatch is a computerized wristwatch with functionality that goes beyond timekeeping. While early models can perform basic tasks, such as calculations, translations, and game-playing, 2010s smartwatches are effectively wearable computers.
A smart city is an urban development vision to integrate multiple information and communication technology (ICT) and Internet of things (IoT) solutions in a secure fashion to manage a city's assets – the city's assets include, but are not limited to, local departments' information systems, schools, libraries, transportation systems, hospitals, power plants, water supply networks, waste management, law enforcement, and other community services.
Smoking is a practice in which a substance is burned and the resulting smoke breathed in to be tasted and absorbed into the bloodstream.
A smart card, chip card, or integrated circuit card (ICC) is any pocket-sized card that has embedded integrated circuits.
Smith & Wesson (S&W) is a manufacturer of firearms in the United States. The corporate headquarters are based in Springfield, Massachusetts.