There are 20 mathematicians whose last name begin with KOSI.
| Kosiak, Jennifer | Montana State University | 2004 |
| Kosiba, Eric | Purdue University | 1991 |
| Kosiba, Kamil | University of Warwick | 2019 |
| Kosick, Pamela | University of Delaware | 2009 |
| Kosiek, Marek | Uniwersytet Jagielloński | 1978 |
| Kosier, Frank | Michigan State University | 1960 |
| Košik, Oleg | University of Tartu | 2015 |
| Kosin, Eckhard | Technische Universität München | 1983 |
| Kosinka, Jiri | Charles University | 2006 |
| Kosinov, Serhiy | Université de Genève | 2005 |
| Kosinski, Antoni | Institute of Mathematics, Polish Academy of Sciences | 1958 |
| Kosinski, Lukasz | Uniwersytet Jagielloński | 2010 |
| Kosinski, Tomasz | Chalmers Tekniska Högskola | 2021 |
| Kosiński, Kamil Marcin | Technische Universiteit Eindhoven | 2012 |
| Kosiol, Erich | Rheinische Friedrich-Wilhelms-Universität Bonn | 1922 |
| Kosiorowski, Grzegorz | Uniwersytet Jagielloński | 2011 |
| Košir, Tomaž | University of Calgary | 1993 |
| Kositwattanarerk, Wittawat | Clemson University | 2011 |
| Kosiuk, Ilona | Universität Leipzig | 2012 |
| Kosiyatrakul, Thumrongsak | Syracuse University | 2010 |