There are 5 mathematicians whose last name begin with XY.
| Xydas, Dimitris | University of Reading | 2011 |
| Xylander, Bert | Martin-Luther-Universität Halle-Wittenberg | 2003 |
| Xylomenos, George | University of California, San Diego | 1999 |
| Xylouris, Konstantinos | Johann Wolfgang Goethe-Universität Frankfurt am Main | 2014 |
| Xylouris, Triantafyllos | Rheinische Friedrich-Wilhelms-Universität Bonn | 2011 |