There are 4 mathematicians whose last name begin with GROI.
| Groisman, Pablo | Universidad de Buenos Aires | 2003 |
| Groisman, Pavel | University of Illinois at Urbana-Champaign | 2004 |
| Groissboeck, Werner | Johannes Kepler Universität Linz | 2006 |
| Groisser, David | Harvard University | 1983 |