There are 45 mathematicians whose last name begin with HL.
| Hladik, Jan | Technische Universität Dresden | 2007 |
| Hladík, Milan | Charles University | 2006 |
| Hladká, Adéla | Charles University | 2021 |
| Hladky, Jan | University of Warwick | 2011 |
| Hladky, Jan | Charles University | 2013 |
| Hladky, Robert | University of Washington | 2004 |
| Hladnik, Milan | University of Ljubljana | 1985 |
| Hladun, Volodymyr | Ivan Franko National University of Lviv | 2007 |
| Hlady, Christopher | The University of Iowa | 2011 |
| Hlaing, Wayway | University of South Florida | 1998 |
| Hlas, Christopher | The University of Iowa | 2005 |
| Hlavac, Paul | Carnegie Mellon University | 1973 |
| Hlaváč, Adam | Silesian University in Opava | 2018 |
| Hlavacek, Amy | The Ohio State University | 1997 |
| Hlavacek, Ivan | Czech Technical University in Prague | 1960 |
| Hlavacek, Jan | The Ohio State University | 1998 |
| Hlavacek, Max | University of California, Berkeley | 2023 |
| Hlaváček, Petr | Czech Technical University | 2014 |
| Hlavacs, Helmut | ||
| Hlavaty, Václav | Charles University | 1921 |
| Hlavatý, Ladislav | Charles University | 1983 |
| Hlavka, George | California Institute of Technology | 1954 |
| Hlavka, James | University of Wisconsin-Madison | 1977 |
| Hlávka, Zdeněk | Charles University | 2000 |
| Hlawatsch, Franz | Technische Universität Wien | 1988 |
| Hlawatsch, Marcel | Universität Stuttgart | 2015 |
| Hlawitschka, Mario | Universität Leipzig | 2008 |
| Hlawka, Edmund | Universität Wien | 1938 |
| Hlebec, Valentina | University of Ljubljana | 1999 |
| Hlebowitsh, Peter | ||
| Hlebutin, Sergey | Lomonosov Moscow State University | 1988 |
| Hlibiciuc, Alexandru | Moldova State University | 1999 |
| Hlineny, Petr | Georgia Institute of Technology | 1999 |
| Hlinka, Jaroslav | University of Nottingham | 2010 |
| Hlinomaz, Peter | Wright State University | 2008 |
| Hlitčijev, Jakov | University of Belgrade | |
| Hlobil, Michal | Czech Technical University | 2016 |
| Hlobil, Michal | Technische Universität Wien | 2016 |
| Hlobilová, Adéla | Czech Technical University in Prague | 2020 |
| Hlod, Andriy | Technische Universiteit Eindhoven | 2009 |
| Hlongwa, Hector | University of Durban-Westville | 2004 |
| Hlova, Taras | Lviv Institute of Applied Problems of Mechanics and Mathematics | 2016 |
| Hlubinka, Daniel | Charles University | 1999 |
| Hlushchanka, Mikhail | Jacobs University Bremen | 2017 |
| Hlynka, Myron | The Pennsylvania State University | 1985 |