| Gennadij Timoscenko | |
|---|---|
| Country | Soviet Union Russia Slovakia |
| Born | 27 April 1949 Chelyabinsk, Russia |
| Title | Grandmaster (1980) |
| FIDE rating | 2457 (October 2024) |
| Peak rating | 2540 (July 1997) |
Gennadij Timoscenko (Russian: Геннадий Анатольевич Тимощенко; Slovak: Gennadij Timoščenko; born 27 April 1949), is a Russian and Slovak chess Grandmaster (GM) (1980).