The Ateneo de Manila University (Filipino: Pamantasang Ateneo de Manila; Spanish: Universidad Ateneo de Manila), commonly referred to as the Ateneo de Manila or the Ateneo, is a private, Catholic, teaching and research university, and a basic education institution located in Quezon City, Philippines. Established in 1859 by the Jesuits, it is among the oldest Jesuit-administered institutions of higher education in the Asia-Pacific.

The Ateneo de Manila is widely regarded as one of the leading universities in the Philippines, offering primary and secondary education, as well as undergraduate and graduate programs in the humanities, social sciences, natural sciences, engineering, and business. The university provides professional degrees through the Graduate School of Business, the School of Government, the School of Medicine and Public Health, and the Ateneo Law School. It follows a Jesuit tradition of liberal arts education, emphasizing the humanities at all educational levels.