Knox College is a Presbyterian residential college affiliated to the University of Otago in New Zealand, providing accommodation for primarily first and second year students, with one third year student. The college is set in an 4.57 hectares (11.3 acres) landscaped site in Opoho on the opposite side of the Dunedin Botanic Gardens from the University. The site is shared with Salmond College, which was originally set up as complementary accommodation for female students.