SUT

SUT has many meanings:

S.U.T. is a southern rap group from Clute, Texas. The members include Snoop (born Eric Torres), and Suave (born Geoffrey Domingues); Phat Sack also makes some of their beats (born Matt Smith).
SUT is an abbreviation for a system under test in the context of software testing.
SUT also stands for Sport Utility Truck, basically an SUV with a truck bed.
One model of Hummer's H2 is called H2 SUT.
SUT (Surface and Underwater Target) is also the name for an electric driven, wire guided torpedo with active and passive homing capabilities of 53.3 cm diameter made by STN Atlas for ASW and ASuW.
SUT stands for Schulz Und Tegener GmbH, a German motor manufacturer.
SUT stands for Sharif University of Technology, an Iranian university.
SUT stands for Shenyang University of Technology, a Chinese university.