This category includes any people who studied at the Catholic University of Leuven (Louvain) from 1834 to 1968, be it in Latin, French or Dutch.

• For graduates of the University of Leuven before 1797, see Category:Old University of Leuven alumni
• For graduates of the State University of Leuven, see Category:State University of Leuven alumni
• For people who graduated after the split in 1968 at the Dutch-speaking Katholieke Universiteit Leuven, see Category:KU Leuven alumni.
• For people who graduated after the split in 1968 at the French-speaking Université catholique de Louvain, see Category:Université catholique de Louvain alumni.