List of Spring and Autumn Prizes Winners
List of the MSJ Iyanaga Prize Winners
| 1st (1973) | Yasutaka IHARA |
| 2nd (1974) | Reiko SAKAMOTO |
| 3rd (1975) | MOTOO TAKAHASHI |
| 4th (1976) | Mitsuyoshi KATO |
| 5th (1977) | Takahiro KAWAI |
| 6th (1978) | Takuro SHINTANI |
| 7th (1979) | Goro NISHIDA |
| 8th (1980) | KATSUHIRO SHIOHAMA |
| 9th (1981) | Masaki KASHIWARA |
| 10th (1982) | Shigeru IITAKA |
| 11th (1983) | Shigefumi MORI |
| 12th (1984) | Yukio MATSUMOTO |
| 13th (1985) | Toshio OSHIMA |
| 14th (1986) | Shinichi KOTANI |
| 15th (1987) | Toshikazu SUNADA |
List of Spring and Autumn Prizes Winners
| 1987 Autumn | Tetsuji MIWA Michio JIMBO |
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| 1988 Spring | Kazuya KATO | |
| 1988 Autumn | Shigefumi MORI Yujiro KAWAMATA |
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| 1989 Spring | Yoichi MIYAOKA | |
| 1989 Autumn | Shinzo WATANABE | |
| 1990 Spring | Hiroshi MATANO | |
| 1990 Autumn | Tetsuji SHIODA | |
| 1991 Spring | Morihiko SAITO | |
| 1991 Autumn | Akihiro TSUCHIYA | |
| 1992 Spring | Haruzo HIDA | |
| 1992 Autumn | Shôichirô SAKAI | |
| 1993 Spring | Shigeo KUSUOKA | |
| 1993 Autumn | Kunio MURASUGI | |
| 1994 Spring | Kenji FUKAYA | |
| 1994 Autumn | Hitoshi ISHII | |
| 1995 Spring | Mitsuhiro SHISHIKURA | |
| 1995 Autumn | Shigeru MUKAI | |
| 1996 Spring | Shuji SAITOU | |
| 1996 Autumn | Kazuhiko AOMOTO | |
| 1997 Spring | Hitoshi ARAI | |
| 1997 Autumn | Hiroaki NAKAMURA Akio TAMAGAWA Shinichi MOCHIZUKI |
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| 1998 Spring | Tohru OZAWA | |
| 1998 Autumn | Mikio FURUTA | |
| 1999 Spring | Toshiyuki KOBAYASHI | |
| 1999 Autumn | Yoshikazu GIGA | |
| 2000 Spring | Hiraku NAKAJIMA | |
| 2000 Autumn | Gen NAKAMURA | |
| 2001 Spring | Takeshi SAITO | |
| 2001 Autumn | Atsushi MORIWAKI | |
| 2002 Spring | Yasuyuki KAWAHIGASHI | |
| 2002 Autumn | Yasumasa NISHIURA | |
| 2003 Spring | Tomotada OHTSUKI | |
| 2003 Autumn | Susumu ARIKI | |
| 2004 Spring | Takashi KUMAGAI | |
| 2004 Autumn | Toshiyasu ARAI | |
| 2005 Spring | Takeshi TSUJI | |
| 2005 Autumn | Kaoru ONO | Research on Symplectic Geometry |
| 2006 Spring | Takuro MOCHIZUKI | Asymptotic Behavior of Harmonic bundle |
| 2006 Autumn | Hiroshi ISOZAKI | Research on Scattering Thory and Inverse Problems |
| 2007 Spring | Kenji NAKANISHI | Study of Nonlinear Dispersive Equations |
| 2007 Autumn | Tadahisa FUNAKI | Stochastic Analysis on Large-Scale Interacting Systems |
| 2008 Spring | Hideo TAKAOKA | Global Theory of Nonlinear Dispersive Equations |
| 2008 Autumn | Masanao OZAWA | Mathematical Foundations of Quantum Information |
| 2009 Spring | Narutaka OZAWA | Study of Discrete Groups and Operator Algebras |
| 2009 Autumn | Kenji YAJIMA | Fundamental Works on Boundedness of Wave Operators |
| 2010 Spring | Osamu IYAMA | Studies on Representations of Finite-Dimensional Algebras and Cohen-Macaulay Modules |
| 2010 Autumn | Masaki IZUMI | Operator Algebras and Noncommutative Analysis |
| 2011 Spring | Atsushi SHIHO | Study of $p$-adic Cohomology and $p$-adic Fundamental Groups in Arithmetic Geometry |
| 2011 Autumn | Akito FUTAKI | The Study of the Futaki Invariant and Its Application to Einstein Metrics |
| 2012 Spring | Shin-ichi OHTA | Geometric Analysis on Metric Measure Spaces and Finsler Manifolds |
| 2012 Autumn | Mitsuhiro NAKAO | Research on Validated Computation and Its Applications to Partial Differential Equations |
| 2013 Spring | Masayuki ASAOKA | Study of Hyperbolic Dynamical Systems and Related Geometry |
| 2013 Autumn | Masato TSUJII | Functional Analytic Methods in Ergodic Theory of Differentiable Dynamical Systems |
| 2014 Spring | Yukinobu TODA | Study of Derived Categories of Algebraic Varieties |
| 2014 Autumn | Hideo KOZONO | Harmonic Analytic Research for Stationary and Nonstationary Problems to the Incompressible Navier-Stokes Equation |
| 2015 Spring | Ken-ichi KAWARABAYASHI | Study on Graph Minor Theory and its Application to Computational Complexity Theory |
| 2015 Autumn | Koji FUJIWARA | Constructing Group Actions on Quasi-Trees |
| 2016 Spring | Hiroshi IRITANI | Research on Gromov-Witten Invariants and Mirror Symmetry |
| 2016 Autumn | Shigeyuki MORITA | Cohomology Theory of Mapping Class Groups and Outer Automorphism Groups of Free Groups |
| 2017 Spring | Tomoyuki ABE | Study of Arithmetic D-module Theory and Langlands Correspondence |
| 2017 Autumn | Tomoyuki ARAKAWA | Representation Theory of W-Algebras |
| 2018 Spring | Yoshikata KIDA | Study of Discrete Groups and Ergodic Theory |
| 2018 Autumn | Hirofumi OSADA | Studies on Stochastic Dynamics of Infinite Particle Systems with Long Range Interaction and its Rigidity |
| 2019 Spring | Yasunori MAEKAWA | New Developments for Mathematical Analysis of Fluid Mechanics |
| 2019 Autumn | Takayoshi OGAWA | Studies on the Critical Structure in Nonlinear Evolution Equations |
| 2020 Spring | Yuji ODAKA | K-stability and its algebro-geometric applications |
| 2020 Autumn | Masaaki UMEHARA Kotaro YAMADA | Differential geometry of surfaces with singularities and surfaces in Lorentz-Minkowski space |
| 2021 Spring | Masaki TSUKAMOTO | Studies on mean dimension in dynamical systems |
| 2021 Autumn | Martin GUEST | Studies on tt* equations and quantum cohomology |
| 2022 Spring | Neal BEZ | Study of inequalities in geometric analysis and partial differential equations |
| 2022 Autumn | Yoshiko Ogata | Studies on quantum spin systems |
| 2023 Spring | Kei Irie | Study on contact geometry, symplectic geometry and string topology |
| 2023 Autumn | Benoît Collins | Random matrices and free probability |
| 2024 Spring | Kento Fujita | Study on the K-stability of Fano varieties |
| 2024 Autumn | Nakahiro Yoshida | Developing the basic mathematics of theoretical statistics |
| 2025 Spring | Hokuto Konno | Family gauge theory and its applications to four-dimensional topology |
| 2025 Autumn | Yoshihiro Tonegawa | Study of existence and regularity for mean curvature flow on polycrystalline materials |