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This is a list of Institutes of Mathematics or Mathematical Institutes.

• American Institute of Mathematics
• Clay Mathematics Institute, Cambridge, Massachusetts
• Courant Institute of Mathematical Sciences, at New York University
• Institute for Advanced Study, in Princeton, New Jersey
• Institute for Mathematics and its Applications, at the University of Minnesota
• Institute for Pure and Applied Mathematics, at the University of California, Los Angeles
• Mathematical Sciences Research Institute, at the University of California, Berkeley

• Centre de Recherches Mathématiques, at the Université de Montréal
• Fields Institute, at the University of Toronto

• Center for Mathematical Modeling, at the University of Chile
• Centro de Investigación en Matemáticas, Guanajuato, Guanajuato in Mexico
• Instituto Nacional de Matemática Pura e Aplicada, Rio de Janeiro, Brazil
• PPGMAp, at the Universidade Federal do Rio Grande do Sul in Brazil

• Brunel Institute of Computational Mathematics, in Uxbridge, UK
• Central Economic Mathematical Institute, at the Russian Academy of Sciences
• Centre de Recerca Matemàtica, at the Autonomous University of Barcelona
• Centrum Wiskunde & Informatica, at Science Park, Amsterdam
• CoMPLEX, at University College London
• Fachinformationszentrum Karlsruhe, Germany
• Hamilton Mathematics Institute, at Trinity College, Dublin, Ireland
• Hausdorff Center for Mathematics, Bonn, Germany
• Institut de Mathématiques de Toulouse, France
• Institute for Experimental Mathematics, at the University of Duisburg-Essen in Germany
• Institute of Mathematics (National Academy of Sciences of Belarus)
• Institute of Mathematics of the National Academy of Sciences of Ukraine
• Institute of Mathematics and its Applications, a UK society
• The Institute of Mathematics and Computer Science, University of Latvia
• Institute of Mathematics and Informatics (Bulgarian Academy of Sciences)
• Institute of Mathematics of National Academy of Sciences of Armenia
• Institute of Mathematics of the Romanian Academy at Bucharest
• Institute of Mathematics, Physics, and Mechanics in Slovenia
• Institut des Hautes Études Scientifiques, near Paris, France
• Institut Henri Poincaré, Paris, France
• International Centre for Mathematical Sciences, at Edinburgh
• Isaac Newton Institute, at the University of Cambridge
• János Bolyai Mathematical Institute, at the University of Szeged in Hungary
• Keldysh Institute of Applied Mathematics, at the Russian Academy of Sciences
• The Mathematical Institute, University of Oxford
• Max Planck Institute for Mathematics, Bonn, Germany
• Max Planck Institute for Mathematics in the Sciences at Leipzig
• Mittag-Leffler Institute, Stockholm. Sweden
• Moscow State Institute of Electronics and Mathematics
• Oberwolfach Research Institute for Mathematics, Oberwolfach, Germany
• Steklov Institute of Mathematics, Moscow, Russia
• University of Copenhagen Institute for Mathematical Sciences

• Chennai Mathematical Institute, India
• CR Rao Advanced Institute of Mathematics, Statistics and Computer Science, at the University of Hyderabad in India
• Einstein Institute of Mathematics, Jerusalem
• Harish-Chandra Research Institute, Allahabad, India
• Indian Statistical Institute, Kolkata in India
• Institute for Studies in Theoretical Physics and Mathematics, Tehran, Iran
• Institute of Applied Physics and Computational Mathematics, Beijing
• Institute of Mathematical Sciences, Chennai, India
• Institute of Mathematics and Applications, Bhubaneswar, India
• National Institute for Mathematical Sciences, Korea
• Korea Institute for Advanced Study, Korea
• Research Institute for Mathematical Sciences, at Kyoto University, Japan
• Institute of Statistical Mathematics in Tokyo, Japan
• TIFR Centre for Applicable Mathematics, India
• Institute for Mathematics for Industry, at Kyushu University in Fukuoka, Japan
• Meiji Institute for Advanced Study of Mathematical Sciences, at Meiji University in Tokyo, Japan
• Osaka Central Advanced Mathematical Institute, at Osaka Metropolitan University in Osaka, Japan

• Australian Mathematical Sciences Institute at the University of Melbourne

• African Institute for Mathematical Sciences, Muizenberg, South Africa

• Institute of Mathematical Statistics, United States
• Institute of Statistical Mathematics, Japan

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• Institute of Mathematics and Applications (disambiguation)