Collaboration with international partners is realized through scientific research projects and exchange programs. Below are links to international scientific research institutions that are partners of the Faculty of Natural Sciences and Mathematics:
- CUAS – Carinthia University of Applied Sciences, Filah, Austrija
- Technical University of Vienna, Beč, Austrija
- University of Bialystok, Poland
- University of Duisburg-Essen, Njemačka
- University of Primorska, Faculty of Mathematics, Natural Sciences and Information Technologies, Slovenija
- Institut Jožef Stefan, Ljubljana, Slovenija
- National Institute of Materials Physics Bucharest, Bukurešt, Rumunija
- Tallinn University of Technology, Talin, Estonija
- Institute of Organic Chemistry with Centre of Phytochemistry, Sofija, Bugarska
- University of Oulu, Oulu, Finska
- Polytechnic University of Milan, Milano, Italija
- University of Bologna, Bolonja, Italija
- AGH University of Science and Technology, Krakov, Poljska
- National Research Council (CNR), Milano, Italija
- Montanuniversität Leoben, Leoben, Austrija
- National Technical University of Athens (NTUA), Atina, Grčka
- Technical University of Košice, Košice, Slovačka
- TU Bergakademie Freiberg (TUBAF), Frajburg, Njemačka
- University of Miskolc, Miškolc, Mađarska
- Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Zagreb, Hrvatska
- Spanish National Research Council (CSIC), Madrid, Španija
- European Association of Mining Industries, Metal Ores & Industrial Minerals (EUROMINES), Brisel, Belgija
- Technical University of Madrid, Madrid, Španija
- University of Milano – Bicocca, Milano, Italija
- Marble, Stone and Materials Technological Centre, Mursija, Španija
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finska
- Slovenian National Building and Civil Engineering Institute, Maribor, Slovenija
- Faculty of Science, University of Zagreb, Zagreb, Hrvatska
- Faculty of Natural Sciences and Engineering, University of Ljubljana, Ljubljana, Slovenija
- Faculty of Polymer Technology, Ljubljana, Slovenija
- Slovak University of Technology in Bratislava (STU), Bratislava, Slovačka
- Department of Materials Science and Engineering, University of Florida, Gejnsvil, Sjedinjene Američke Države
- University of Tokyo, Tokio, Japan
- Shinshu University, Nagano, Japan
- University of Alabama at Birmingham, Birmingem, Sjedinjene Američke Države
- National Institute for Materials Science, Research Center for Macromolecules and Biomaterials, Cukuba, Japan
- Aristotle University of Thessaloniki, Solun, Grčka
- University of Poitiers, Poatje, Francuska