YouX, formerly Adelaide University Union (AUU), is a student union at the University of Adelaide, Adelaide, South Australia. It provides academic advocacy, welfare, and counselling services to students free of charge, funds the student newspaper On Dit, and owns a number of commercial operations on campus. It also oversees the Student Representative Council (SRC), an organisationally separate body responsible for student political representation.

Sport at the University of Adelaide is primarily organised by the Adelaide University Sports Association. Other bodies affiliated to the University of Adelaide providing sport include the various sports clubs forming part of the residential colleges and the Roseworthy Agricultural Campus Student Union Council.