USCSS

USCSS may refer to:


 * United States Canine Scent Sports, a governing body in nosework
 * United States Cargo SpaceShip, a fictional spaceship designation from the Alien franchis
 * United States Coast Survey Steamer, a former designation for steamships
 * UN/LOCODE:USCSS, the UN/LOCODE geographic code for Clifton Springs, New York, US