There are 65 mathematicians whose last name begin with KAC.

Kac, Mark University of Lwów 1937
Kac, Victor Lomonosov Moscow State University 1968
Kacaku, Floran Northeastern University 2015
Kaçar, Gökhan Technische Universiteit Eindhoven 2014
Kacaribu, Febrio University of Kansas 2014
Kaced, Tarik Université Montpellier II 2012
Kacem, Ghazi University of Sfax 2023
Kacem, Manel Université Claude Bernard Lyon 1 2013
Kačena, Miroslav Charles University 2011
Kacenas, Audrius Vilniaus universitetas 1996
Kacewicz, Bolesław Uniwersytet Warszawski 1976
Kach, Asher University of Wisconsin-Madison 2007
Kacha, Ali Université de Caen Normandie 1993
Kachani, Soulaymane Massachusetts Institute of Technology 2002
Kachanova, Iryna Institute of Applied Mathematics and Mechanics, Donetsk 2011
Kachanovich, Siargey Université de Nice-Sophia Antipolis 2019
Kachanovska, Maryna Universität Leipzig 2014
Kachapova, Farida Lomonosov Moscow State University 1988
Kachaya, Mona Université Claude Bernard Lyon 1 1986
Kacher, Fatiha Université Mouloud Mammeri de Tizi Ouzou 2006
Kacher, Vladimir Kharkiv National University of Radioelectronics 2004
Kachi, Yasuyuki University of Tokyo 1997
Kachinsʹkiĭ, A. B. Taras Shevchenko National University of Kyiv 1987
Kachitvichyanukul, Voratas Purdue University 1982
Kachko, Olena Kharkiv National University of Radioelectronics 1977
Kachman, Steve Montana State University 1988
Kachmar, Ayman Université Paris-Sud XI - Orsay 2007
Kachniarz, Jarosław Uniwersytet Warszawski 2002
Kachour, Camell Macquarie University 2013
Kachour, Maher Université de Rennes 1 2009
Kachoyan, Bernard University of New South Wales 1986
Kachoyan, Philippe (``Philip'') University of New South Wales 1983
Kachroo, Pushkin Virginia Polytechnic Institute and State University 2007
Kachru, Shamit Princeton University 1994
Kachurivska, Galyna Ivan Franko National University of Lviv 2010
Kachurovskii, Alexander Sobolev Institute of Mathematics, Novosibirsk 1987
Kachurovskii, Alexander Steklov Institute of Mathematics, St. Petersburg 1999
Kacimi, Abderrahim U.S.T.H.B. (University of Sciences and Technology) Algiers 2013
Kacinskaite, Roma Vilniaus universitetas 2002
Kaciroti, Niko University of Michigan 2002
Kackar, Raghu Iowa State University 1979
Käckenhoff, Rolf Friedrich-Alexander-Universität Erlangen-Nürnberg 1996
Kackmeister, Alan University of California, Berkeley 2002
Kacprzak, Grzegorz Marek Institut National des Sciences Appliquées de Lyon 2006
Kacprzak, Tomasz University College London 2015
Kacso, Francisc Universität Siegen 2009
Kacsó, Daniela Babeş-Bolyai University 1998
Kačur, Josef
Kacwin, Christopher Rheinische Friedrich-Wilhelms-Universität Bonn 2021
Kaczkowska, Agnieszka Technical University of Gdansk 2013
Kaczkowski, Stephen Rensselaer Polytechnic Institute 2010
Kaczmarczyk, Andrzej Technische Universität Berlin 2020
Kaczmarczyk, Elizabeth University of Texas at Austin 2005
Kaczmarczyk, Jacek Uniwersytet Jagielloński 1985
Kaczmarek, Tyler University of California, Irvine 2018
Kaczmarek-Majer, Katarzyna Systems Research Institute, Polish Academy of Science 2017
Kaczmarski, Bogusław Uniwersytet Łódzki 1996
Kaczmarski, Jerzy Uniwersytet Śląski w Katowicach 1971
Kaczmarz, Stefan Uniwersytet Jana Kazimierza 1924
Kaczor, Wieslawa Uniwersytet Marii Curie-Skłodowskiej 1980
Kaczorek, Tadeusz
Kaczorowski, Jerzy Uniwersytet im. Adama Mickiewicza w Poznaniu 1983
Kaczynski, Theodore University of Michigan 1967
Kaczynski, Tomasz McGill University 1986
Kaczynski, William College of William and Mary 2009