USM

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