Dr. Ignatius Suharyo Hardjoatmodjo - Archbishop of Jakarta, graduated in 1981. Known for his leadership in the Indonesian Catholic Church.
Prof. Dr. Y.B. Mangunwijaya - Architect, writer, and social activist, graduated in 1957. Renowned for his contributions to architecture and literature in Indonesia.
Dr. Maria Ulfah Santoso - Educator and women's rights activist, graduated in 1950. Played a significant role in advancing women's education in Indonesia.
Prof. Dr. Frans Magnis Suseno - Philosopher and social activist, graduated in 1967. Notable for his work in philosophy and social justice in Indonesia.