There are 80 mathematicians whose last name begin with HAK.
| Haka, Andreas | Universität Stuttgart | 2014 |
| Hakaahti, Hannu | Oulun yliopisto | 1985 |
| Hakala, Ismo | ||
| Hakala, Pasi | Helsingin yliopisto | 1994 |
| Hakala, Risto | Aalto-yliopisto | 2013 |
| Hakala, Scott | University of Minnesota - Twin Cities | 1989 |
| Hakala, Tim | Brigham Young University | 2005 |
| Hakami, Ali | Kansas State University | 2009 |
| Hakamian, Alireza | Universität Stuttgart | 2024 |
| Hakanen, Anni | Turun yliopisto | 2021 |
| Hakanen, Jussi | Jyväskylän yliopisto | 2006 |
| Hakansson, Nils | University of California, Los Angeles | 1966 |
| Hakavuori, Eero | Jyväskylän yliopisto | 2019 |
| Hakawati, Abdallah | Lehigh University | 1984 |
| Hake, Heinrich | Rheinische Friedrich-Wilhelms-Universität Bonn | 1921 |
| Hakeem, Abeer | New Jersey Institute of Technology | 2020 |
| Haken, Armin | University of Illinois at Urbana-Champaign | 1984 |
| Haken, Hermann | Friedrich-Alexander-Universität Erlangen-Nürnberg | 1951 |
| Haken, Ian | University of California, Berkeley | 2014 |
| Haken, Lippold | University of Illinois at Urbana-Champaign | 1990 |
| Haken, Wolfgang | Christian-Albrechts-Universität zu Kiel | 1953 |
| Hakenes, Hendrik | Universität Münster | 2003 |
| Haker, Steven | University of Minnesota - Twin Cities | 1999 |
| Hakes, Raquel | University of Maryland College Park | 2021 |
| Hakfoort, Casper | ||
| Hakhamaneshi, Kourosh | University of California, Berkeley | 2022 |
| Hakhu, Navneet | University of California, Irvine | 2024 |
| Hakim, Abdelilah | Université Paris-Sud XI - Orsay | 1989 |
| Hakim, Denny | 2018 | |
| Hakim, Jeffrey | Columbia University | 1989 |
| Hakim, Kamrul | The University of New Mexico | 2013 |
| Hakim, Kaustubh | Universiteit van Amsterdam | 2018 |
| Hakim, Monique | Université Paris-Sud XI - Orsay | 1972 |
| Hakim, Sam | University of Southern California | 1990 |
| Hakim, Vincent | Université Paris-Sud XI - Orsay | 1985 |
| Hakima, Hassan | Islamic Azad University, Mashhad Branch | 2019 |
| Hakimi, Faouzi | Université Paul Sabatier - Toulouse III | 2023 |
| Hakimi, Seifollah | University of Illinois at Urbana-Champaign | 1959 |
| Hakimi Siboni, Morteza | University of Pennsylvania | 2014 |
| Hakimov, Sherzod | Universität Bielefeld | 2018 |
| Hakimzadeh, Hossein | North Dakota State University | 1993 |
| Hakimzadeh, Maryam | Carnegie Mellon University | 2024 |
| Hakios, Elisabeth | Universität Zürich | 1978 |
| Hakizimana, Jean Marie | Pan African University Institute for Basic Sciences, Technology and Innovation | 2019 |
| Hakk, Kristiina | University of Tartu | 2004 |
| Hakkar, Naima | Université de Guelma | 2023 |
| Hakkarainen, Heikki | Oulun yliopisto | 2011 |
| Hakkarainen, Tuomas | Turun yliopisto | 2007 |
| Hakkarinen, Douglas | Colorado School of Mines | 2013 |
| Hakkenberg, Anneke | Universiteit van Amsterdam | 1992 |
| Hakkinen, Markku | Jyväskylän yliopisto | 2010 |
| Hakkinen, Raimo | California Institute of Technology | 1954 |
| Hakl, Robert | Masaryk University | 2000 |
| Hakmi, Abdelalem | Université Mohammed I, Oujda | 1997 |
| Hakmi, Abdul-Wahid | Universität Stuttgart | 2010 |
| Hakmi, Hamza | Kazan State University | 1994 |
| Hakmi, Sedda | Université de Béjaïa | 2019 |
| Hakobian, Gurgen | Institute of Mathematics, National Academy of Sciences of Armenia | 1980 |
| Hakobian, Sargis | Institute of Mathematics, National Academy of Sciences of Armenia | 1965 |
| Hakobyan, Aram | Yerevan State University | 1999 |
| Hakobyan, Gagik | Yerevan State University | 1987 |
| Hakobyan, Hrant | State University of New York at Stony Brook | 2007 |
| Hakobyan, Levon | Institute of Mathematics, National Academy of Sciences of Armenia | 2025 |
| Hakobyan, Tigran | Yerevan State University | 2018 |
| Hakobyan, Tigran | Yerevan State University | 2017 |
| Hakobyan, Tigran | University of Illinois at Urbana-Champaign | 2018 |
| Hakobyan, Zaruhi | National Research University Higher School of Economics | 2020 |
| Hakobyan, Zaruhi | Université du Luxembourg | 2020 |
| Håkon Husøy, John | Norges Teknisk-Naturvitenskapelige Universitet | 1991 |
| Hakopian, Hakop | Steklov Institute of Mathematics | 1984 |
| Haksever, Cengiz | University of Texas at Austin | 1983 |
| Haksever, Emine | University of Texas at Austin | 1991 |
| Hakula, Harri | Teknillinen korkeakoulu | 1997 |
| Hakulinen, Timo | ||
| Hakulinen, Ville | Helsingin yliopisto | 2002 |
| Hakura, Dalia | University of Michigan | 1995 |
| Hakura, Ziyad | Stanford University | 2002 |
| Hakvoort, Gerrit | Technische Universiteit Delft | 1978 |
| Hakvoort, Johannes | Technische Universiteit Delft | 1994 |
| Hakvoort, Rudi | Technische Universiteit Delft | 1993 |