There are 5 mathematicians whose last name begin with PORTM.
| Portman, John | ||
| Portman, Ruth | North Carolina State University | 1963 |
| Portman, Walter | Case Western Reserve University | 1957 |
| Portmann, Eduard Karl | Université de Fribourg | 2012 |
| Portmann, Heinrich | Universität Rostock | 1869 |