USM may stand for:

General topics Samui Airport, in Thailand (IATA airport code) Ultimate Soccer Manager Ultimate Spider-Man Ultrasonic motor, the motor drive used in some Canon EF and EF-S lenses Union of Monaco Trade Unions (Union des Syndicats de Monaco) United States Marines United States of Mexico United States Military United States Mint United States of Mind, a studio album by the band Covenant Unlisted Securities Market Unsharp masking, an image processing method United Socialist Movement, UK, 1934-1965 Ultrasonic machining USM Holdings, a large Russian holding company

Computing Universal Storage Media a type of device that, when connected to a computer, shows up as a storage device without the need for additional drivers Universal Storage Module a standard for cableless plug-in slot-powered storage for consumer electronics devices User-based Security Model a security standard for the Simple Network Management Protocol (SNMP) Universal Subscription Mechanism a protocol for the Rich Site Summary (RSS) standard

Universities University System of Maryland University School of Milwaukee Universiti Sains Malaysia, Penang, Malaysia University of Southern Maine University of Southern Mindanao, Philippines University of Southern Mississippi Federico Santa María Technical University (also known as UTFSM or USM)

See also Carter USM