There are 25 mathematicians whose last name begin with HARN.
| Harnack, Alfred | Universität Leipzig | 1911 |
| Harnack, Axel | Friedrich-Alexander-Universität Erlangen-Nürnberg | 1875 |
| Harnack, Gustav | Universität Leipzig | 1873 |
| Harnad, John | University of Oxford | 1972 |
| Harnapp, Oskar | Universität Leipzig | 1930 |
| Harnapp, Oskar | Universität Leipzig | 1927 |
| Harnchoowong, Ajchara | The Pennsylvania State University | 1989 |
| Harner, Charles | The University of New Mexico | 1970 |
| Harness, Richard | University of London | 1982 |
| Harness, Yuval | Tel Aviv University | 2014 |
| Harnett, Daniel | University of Kansas | 2013 |
| Harnett, Joan | State University of New York at Stony Brook | 1997 |
| Harnevo, Linda | Weizmann Institute of Science | 1992 |
| Harney, Eoghan | University College Dublin | 2019 |
| Harney, Hanns | Ruprecht-Karls-Universität Heidelberg | 1968 |
| Harney, Isaiah | University of Kentucky | 2017 |
| Harney, John | University of Georgia | 2010 |
| Harnik, Danny | Weizmann Institute of Science | 2005 |
| Harnik, Nili | Massachusetts Institute of Technology | 2000 |
| Harnik, Victor | Hebrew University of Jerusalem | 1971 |
| Harnisch, Anja | Universität Duisburg-Essen | 1994 |
| Harnisch, Hans-Georg | Technische Universität Carolo-Wilhelmina zu Braunschweig | 1972 |
| Harnish, Cale | University of Notre Dame | 2022 |
| Harnish, Stephen | University of Illinois at Urbana-Champaign | 1996 |
| Härnqvist, Martin | Göteborgs universitet | 1979 |