The Concilium Philosophiae is the organization of the Philosophy majors of the Faculty of Arts and Letters of the University of Santo Tomas. It is known as the “Concilium Philosophiae Sancti Thomae Aquinatis Manilensis” (The Philosophy Council of St. Thomas Aquinas of Manila) and may also be referred to as “The Philosophy Council” or “The Concilium”.

In the university, the Concilium is officially recognized by the Office of Student Affairs and is a part of the Student Organizations Coordinating Council (SOCC). As a college-based organization, it is an active member of the Board of Majors of the Faculty of Arts and Letters.

It is also a founding member of the Council of Filipino Philosophers (COFPHI), the only association of undergraduate philosophy students representing the universities/colleges in the country. Concilium Philosophiae also enjoys the recognition of national philosophical organizations, namely the Philosophy Circle of the Philippines (PCP), and the Philippine Academy of Philosophical Research, and the Philosophical Association of the Philippines (PAP).