There are 20 mathematicians whose last name begin with LAPP.
| Lapp, Douglas | The Ohio State University | 1995 |
| Lapp, Marshall | California Institute of Technology | 1960 |
| Lappalainen, Vesa | Jyväskylän yliopisto | 1985 |
| Lappan, Glenda | ||
| Lappan, Peter | University of Notre Dame | 1963 |
| Lappas, Demetris | University of Rochester | 1995 |
| Lappas, Dionyssios | University of Athens | 1989 |
| Lappas, Stefanos | Helsingin yliopisto | 2022 |
| Lappas, Theodoros | University of California, Riverside | 2012 |
| Lappe, Dennis | Universität Bremen | 2015 |
| Lappe, Markus | Eberhard-Karls-Universität Tübingen | 1992 |
| Lappe, Mathias | Technische Universität Darmstadt | 1990 |
| Lappe, Rudolf | Technische Universität Dresden | 1954 |
| Lappenschaar, Martijn | Radboud Universiteit Nijmegen | 2014 |
| Lapperre, Paul | Technische Universiteit Eindhoven | 1992 |
| Lappi, Esa | Maanpuolustuskorkeakoulu | 2012 |
| Lappicy, Phillipo | Freie Universität Berlin | 2017 |
| Lappo, Sergey Sergeevich | Lomonosov Moscow State University | 1966 |
| Lappo-Danilevsky, Ivan | St. Petersburg State University | 1929 |
| Lappöhn, Richard | Rijksuniversiteit Groningen | 1977 |