François Houtart (Brussels, 1925) is a Belgian sociologist and Catholic priest.

He studied philosophy and theology at the seminary of Mechelen (Belgium) and became a priest in 1949. He earned a masters degree in political and social sciences at the CatholicUniversity of Leuven (Belgium). He earned a degree at the International Superior Institute of Urbanism (Brussels, Belgium). He earned a PhD in sociology from the Catholic University of Louvain UCL.

His doctoral thesis was based on sociology of Buddhism in Sri Lanka and he was a professor at UCL (there) from 1958 till 1990. He is an author and co-author of numerous publications on socio-religious matters. He served as the chief editor of the International Journal of Sociology of Religion, "Social Compass" for forty years(1960-1999). He also has advised international catholic journalConcilium which was founded at the Nijmegen University, on the issues of sociology of religion.

He participated as a peritus expert in the sessions of Vatican II (1962-1965) playing a key role in the formation of the introduction of the Gaudium et Spes. Houtart,over the years, has developed a dialectical approach to study religions in the world.

Today he serves as an advisor to CETRI (Centre Tricontinental) a Belgian non-governmental organization which he founded in 1976. Objective of CETRI is to promote dialogue and corporation between third world social movements and social forces plus encourage resistance and action. Houtart is one of the most active members of the World Social Forum. Today he is very much active in the Globalisation and Ethics discourse.

In the context of the global financial crisis in 2008, Houtart has been invited by the UN to address the issues of globalisation of capital in October 2008 by the president of the UN in New York.