There are 26 mathematicians whose last name begin with LYA.
| Lyabakh, Nataly | Ludwig-Maximilians-Universität München | 2000 | 
| Lyakh, Ivan | Institute of Mathematics, Moldavian Academy of Science | 1986 | 
| Lyakhov, Lev | Voronezh State University | |
| Lyakhova, Sophia | University of Bristol | 2006 | 
| Lyakhovitsky, Vladimir | Lomonosov Moscow State University | 1957 | 
| Lyaletski, Alexander | ||
| Lyal'ko, S.B. | Taras Shevchenko National University of Kyiv | 1979 | 
| Lyall, Katharine | Cornell University | 1969 | 
| Lyall, Neil | University of Wisconsin-Madison | 2004 | 
| Lyamaev, Sergei | Marchuk Institute of Numerical Mathematics of the Russian Academy of Sciences | 2023 | 
| Lyamshev, Leonid | Lebedev Institute of Physics | 1964 | 
| Lyamshev, Leonid | Lebedev Institute of Physics | 1954 | 
| Lyan, Gregory | Sobolev Institute of Mathematics, Novosibirsk | 1980 | 
| Lyansky, Yan | Temple University | 2001 | 
| Lyantse, Vladyslav | Ivan Franko National University of Lviv | 1951 | 
| Lyantse, Vladyslav | Lomonosov Moscow State University | 1964 | 
| Lyapin, Alexander | Siberian Federal University | 2009 | 
| Lyapin, Evgeny | St. Petersburg State University | 1939 | 
| Lyapunov, Aleksandr | St. Petersburg State University | 1885 | 
| Lyapunov, Aleksei | Steklov Institute of Mathematics | 1939 | 
| Lyard, Etienne | Université de Genève | 2008 | 
| Lyaschenko, V. | Kiev State University | 1977 | 
| Lyashenko, Nikolai | St. Petersburg State University | 1973 | 
| Lyashko, Sergei | 1981 | |
| Lyashko, Sergey | St. Petersburg State University | 1994 | 
| Lyaudet, Laurent | École Normale Supérieure de Lyon | 2007 | 
