The Colegio de San Juan de Letran, also referred to by its acronym CSJL, is a private Catholic coeducational basic and higher education institution owned and run by the friars of the Order of Preachers in Intramuros, Manila, Philippines.
It was founded in 1620. Colegio de San Juan de Letran has the distinction of being the oldest college in the Philippines and the oldest secondary institution in Asia.
The school has produced Philippine presidents, revolutionary heroes, poets, legislators, members of the clergy, jurists, and it is also one of the only Philippine schools that has produced several Catholic saints who lived and studied on its campus.