Saint Aloysius' College is a boys' high school located in Galle, the capital city of Southern Province in Sri Lanka. The school was established in 1895 by recently arrived Belgian Jesuit missionaries, led by Joseph Van Reeth, first bishop of Galle. St. Aloysius' College is a national school that provides primary and secondary education. In 2012, it had 4,000 students on its roll.

Galle is a major city in Sri Lanka, situated on the southwestern tip, 119 km (74 mi) from Colombo. Galle is the provincial capital and largest city of Southern Province, Sri Lanka and is the capital of Galle District.