UAJY is an active member of
- ASEACCU (Association of Southeast and East Asian Catholic Colleges and Universities)
- IFCU (The International Federation of Catholic Universities)
- ACUCA (The Association of Christian Universities and Colleges in Asia)
- APTIK (Association of Indonesian Catholic Universities).
UAJY strives to enhance its development through in-house efforts as well as widening its networking system, both within the country and abroad. In that light, UAJY is committed to expanding the network of collaborations arrangements with educational and business institutions in order to strengthen study programs. For example, for students, such collaborations arrangements mean the availability of visiting scholars and native speakers of foreign languages.