There are 9 mathematicians whose last name begin with SIEL.
| Sielaff, Richard | Illinois Institute of Technology | 1959 |
| Sieler, Heidemarie | Friedrich-Schiller-Universität Jena | 1979 |
| Sieling, Detlef | Universität Dortmund | 1994 |
| Sielken, Jr., Robert | Florida State University | 1971 |
| Sielschott, Helmut | Universität Münster | 2000 |
| Sielska, Maria | Politechnika Łódzka | 1986 |
| Sielski, Piotr | Uniwersytet Łódzki | 2010 |
| Sielski, Ryszard | Politechnika Łódzka | 1983 |
| Sielużycki, Cezary | Warsaw University of Technology | 2003 |