There are 18 mathematicians whose last name begin with HARTO.
| Hartog, Jarno | Universiteit van Amsterdam | 2019 |
| Hartog, Joop | Erasmus Universiteit Rotterdam | 1978 |
| Hartog, Martin | The Ohio State University | 1995 |
| Hartog, Rob | Landbouwuniversiteit Wageningen | 2012 |
| Hartogh, Christiaan | Universiteit Leiden | 1958 |
| Hartogs, Friedrich | Ludwig-Maximilians-Universität München | 1903 |
| Hartogs, Jacques | Universiteit van Amsterdam | 1910 |
| Harton, Joanna | University of Pennsylvania | 2022 |
| Hartonas, Chrysafis | Indiana University | 1993 |
| Hartong, Jelle | Rijksuniversiteit Groningen | 2008 |
| Hartong, Mark | George Mason University | 2009 |
| Harton, Jr., John | University of California, Berkeley | 1956 |
| Hartono, | Technische Universiteit Delft | 2004 |
| Hartono, Edward | University of Kentucky | 2004 |
| Hartono, Hartono | University of Western Australia | 2012 |
| Hartono, Yusuf | Technische Universiteit Delft | 2003 |
| Hartoog, Alfred | Universiteit Leiden | 1979 |
| Hartoog, Olga | Universiteit van Amsterdam | 2014 |