There are 8 mathematicians whose last name begin with ONS.
| Onsager, Lars | Yale University | 1935 |
| Onsanger, L. | ||
| Onshuus, Alf | University of California, Berkeley | 2002 |
| Onsiper, Hursit | University of California, Berkeley | 1984 |
| Önskog, Thomas | Umeå University | 2009 |
| Onsod, Wudthichai | King Mongkut's University of Technology Thonburi | 2022 |
| Onstad, David | Cornell University | 1985 |
| Onstad, Joseph | University of Nebraska-Lincoln | 1974 |