The Student Union of the University of South Bohemia was established in 2013 in connection with the success of the first introductory course for the first years. It is the largest association at the university and organizes the largest events for students in České Budějovice. The most popular events include the Welcome Semester party, Seznamovak JU, Campus Lives, Art Day and University Closing. SUJU also organizes lectures and workshops and a number of student quizzes.