Saint Aloysius' College was an independent Roman Catholic boarding school in Sevenhill, in the Clare Valley region of South Australia that existed from 1856 to 1886.

Saint Aloysius' College began in Sevenhill in 1856, as part of the Jesuit missioning to the colony of South Australia.

Beside secular education for all creeds, the establishment included a seminary which trained young men for priesthood in the Catholic Church, which continued well after closure of the college.

Other secular priests who studied there were Christopher Reynolds (first Archbishop of Adelaide), Frederick Byrne (Vicar General), Frs.

Plormel and Brecas the younger, of the Rockhampton Diocese, Peter Jorgensen, and Thomas Guilfoyle, all of whom were there for two years; and George Williams (11), Edmund O'Brien (8), and Michael O'Sullivan (5).