| Valentin Boreyko | |
| Birth Date: | 7 October 1933[1] |
| Birth Place: | Leningrad, Russian SFSR, Soviet Union |
| Death Place: | Saint Petersburg, Russia |
| Sport: | Rowing |
Valentin Vasilevich Boreyko (Russian: Валентин Васильевич Борейко; 7 October 1933 – 27 December 2012) was a Russian rower who competed for the Soviet Union in the 1960 Summer Olympics and in the 1964 Summer Olympics.[2]
He was born in Leningrad.[3] In 1960 he and his partner Oleg Golovanov won the gold medal in the coxless pair event. Fours years later he and Oleg Golovanov were eliminated in the repêchage of the coxless pair competition.