Viktor Leonidovich Demyanenko (Russian: Виктор Леонидович Демьяненко) (born August 26, 1958 in Alma-Ata, Kazakh SSR) is a retired boxer, who represented the USSR at the 1980 Summer Olympics in Moscow, Soviet Union.

There he won the silver medal in the lightweight division (– 60 kg), after being defeated in the final by Cuba's Ángel Herrera.

[1] Below is the record of Viktor Demyanenko, a lightweight boxer from the Soviet Union who competed at the 1980 Moscow Olympics:

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