The University of Oslo is a public research university located in Oslo, Norway. It is the oldest university in Norway. The Academic Ranking of World Universities ranked it the 58th best university in the world and the third best in the Nordic countries. In 2016, the Times Higher Education World University Rankings listed the university at 63rd, making it the highest ranked Norwegian university. Until 1 January 2016 it was the largest Norwegian institution of higher education in terms of size, now surpassed only by the Norwegian University of Science and Technology. The university was founded in 1811 and was modeled after the University of Copenhagen and the recently established University of Berlin. It was originally named for King Frederick VI of Denmark and Norway, and received its current name in 1939.

• Theology
• The Faculty of Theology sponsors 8 research groups in the following fields:
• The New Testament
• Historical Protestantism
• Interreligious studies
• Jewish Religion and Literature in Persian and Hellenistic Periods
• Canon and Canonicalization
• Gender, Theology and Religion
• Professional Ethics, Diaconal Science and Practical Theology
• Religious Esthetics
• Law
• Centre for European Law
• Department of Criminology and the Sociology of Law
• Department of Private Law
• Norwegian Research Center for Computers and Law 
• Department of Public and International Law
• Norwegian Centre for Human Rights
• Scandinavian Institute of Maritime Law
• Medicine
• Institute of Health and Society
• Institute of Basic Medical Sciences
• Institute of Clinical Medicine
• Norwegian Centre for Mental Disorders Research 
• Centre for Immune Regulation 
• Centre for Cancer Biomedicine 
• Humanities
• Department of Archaeology, Conservation and History
• Department of Cultural Studies and Oriental Languages
• Department of Philosophy, Classics, History of Art and Ideas
• Department of Literature, Area Studies and European Languages
• Department of Linguistics and Scandinavian Studies
• Department of Media and Communication
• Department of Musicology
• Centre for Ibsen Studies
• Centre for the Study of Mind in Nature
• The Norwegian University Centre in St. Petersburg
• The Norwegian Institute in Rome
• Centre for French-Norwegian research cooperation within the social sciences and the humanities
• Center for Development and Environment
• Mathematics and natural sciences
• Department of Biosciences
• Department of Chemistry
• Department of Geosciences
• Department of Informatics
• Department of Mathematics
• Department of Physics
• Institute of Theoretical Astrophysics
• Department of Pharmacy
• Department of Technology Systems
• Centre for Entrepreneurship
• Centre for Earth Evolution and Dynamics 
• Centre for Material sciences and Nanotechnology 
• Centre of Mathematics for Applications 
• Centre for Ecological and Evolutionary Synthesis 
• Centre for Theoretical and Computational Chemistry 
• Centre for Innovative Natural Gass Processes and Products 
• Centre for Accelerator Based Research and Energy Physics 
• Dentistry
• Institute of Oral Biology
• Institute of Clinical Dentistry
• Social sciences
• Department of Sociology and Human Geography
• Department of Political Science
• Department of Psychology
• Department of Social Anthropology
• Department of Economics
• Centre for technology, innovation and culture
• ARENA – Centre for European Studies
• Centre of Equality, Social Organization, and Performance 
• Education
• Department of Teacher Education and School Research
• Department of Special Needs Education
• Department for Educational Research
• Centre for Educational Measurement at the University of Oslo 
• InterMedia

The University of Oslo has a long list of notable academics and alumni, spanning the fields of scholarship covered by the university. The university is home to five Nobel Prize winners and is institutionally tied to some of the most prestigious prizes in the world. The Nobel Peace Prize was awarded in the university's atrium between 1947 and 1989, thus making it the only university to host a Nobel Prize ceremony. Since 2003, the Abel Prize is awarded in the university's atrium.