There are 20 mathematicians whose last name begin with LJ.
| Ljajko, Eugen | University of Novi Sad | 2016 |
| Ljeskovac, Milos | The University of Edinburgh | 1981 |
| Ljevar, Svetlana | Technische Universiteit Eindhoven | 2007 |
| Ljosa, Vebjorn | University of California, Santa Barbara | 2007 |
| Ljubenova, Elena | University of Sofia | 1979 |
| Ljubenovic, Martin | University of Niš | 2017 |
| Ljubic, Dragoslav | University of Washington | 1987 |
| Ljubic, Ivana | Technische Universität Wien | 2004 |
| Ljubović, Ćamila | University of Sarajevo | 1992 |
| Ljujić, Željka | City University of New York | 2011 |
| Ljulj, Matko | University of Zagreb | 2020 |
| Ljumanovic, Leonida | The University of Iowa | 2008 |
| Ljung, Greta | University of Wisconsin-Madison | 1976 |
| Ljung, Lennart | Lund Institute of Technology | 1974 |
| Ljung, Per | Chalmers Tekniska Högskola | 2023 |
| Ljungberg Rydin, Ylva | Uppsala universitet | 2022 |
| Ljunggren, Wilhelm | ||
| Ljunglöf, Peter | Göteborgs universitet | 2004 |
| Ljungqvist, Lars | University of Minnesota - Twin Cities | 1988 |
| Ljungström, Anders | Stockholm University | 1985 |