| Last Name | First Name Sort ascending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Puppini | Umberto | 1924 | Toronto | Engineering |
| Puppini | Umberto | 1928 | Bologna | Plenary |
| Zannier | Umberto | 2014 | Seoul | Number Theory |
| Hryniewicz | Umberto | 2018 | Rio de Janeiro | Geometry |
| Tillmann | Ulrike | 2002 | Beijing | Topology |
| Pinkall | Ulrich | 1998 | Berlin | Differential Geometry and Global Analysis |
| Kohlenbach | Ulrich | 2018 | Rio de Janeiro | Logic and Foundations |
| Grenander | Ulf | 1966 | Moskva | 1/2 hr. report |
| Grenander | Ulf | 1998 | Berlin | Applications |
| Haagerup | Uffe | 2002 | Beijing | Plenary |
| Bottazzini | U. | 2002 | Beijing | History of Mathematics |
| Broggi | U. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Broggi | U. | 1928 | Bologna | Analysis |
| Cassina | U. | 1928 | Bologna | Philosophy, History of Mathematics |
| Cassina | U. | 1928 | Bologna | Elementary Mathematics, Didactical Questions, Mathematical Logic |
| Crudeli | U. | 1932 | Zurich | Mechanics and Mathematical Physics |
| Haagerup | U. | 1986 | Berkeley | Real and Functional Analysis |
| Travaglini | U. | 1928 | Bologna | Statistics, Mathematical Economics, Probability Calculus, Actuarial Sciences |
| Hytönen | Tuomas | 2014 | Seoul | Analysis and its Applications |
| Viola | Tullio | 1932 | Zurich | Analysis |
| Gelander | Tsachik | 2018 | Rio de Janeiro | Lie Theory and Generalizations |
| Nagell | Trygve | 1932 | Zurich | Algebra and Number Theory |
| Nagell | Trygve | 1936 | Oslo | Algebra and Number Theory |
| Riviere | Tristan Joel | 2002 | Beijing | Part. Diff. Equations |
| Wooley | Trevor | 2014 | Seoul | Number Theory |