The Otago University Students' Association (OUSA) is the Students' Association of the University of Otago, New Zealand. OUSA was founded in 1890 to advance student interests on campus. Today, OUSA provides a combination of representation, welfare, advocacy, recreation, fun and events for its members. Notably, it runs student support services, supports clubs and societies on campus, and organises the University of Otago Orientation and Reorientation weeks.