There are 11 mathematicians whose last name begin with IL''.
| Il'chenko, Alexander | Kiev State University | 1988 |
| Il'chenko, Svitlana | Taras Shevchenko National University of Kyiv | 2006 |
| Il'in, Arlen | Lomonosov Moscow State University | 1957 |
| Il'in, Valentin | St. Petersburg State University | 1951 |
| Il'in, Valentin | Novosibirsk State University | 1990 |
| Il'in, Vladimir | Lomonosov Moscow State University | 1960 |
| Il'in, Vladimir | Lomonosov Moscow State University | 1953 |
| Il'inskii, Alexandr | Vasyl Karazin Kharkiv National University | 1977 |
| Il'inykh, Anatolii | 1974 | |
| Il'tyakov, Alexandr | Sobolev Institute of Mathematics, Novosibirsk | 1985 |
| Il'yuta, Gennadii | St. Petersburg State University | 1991 |