Viktor Nikolaevich Beletsky (Russian: Виктор Николаевич Белецкий; 1928 – late 1990s) was a Soviet diplomat and ambassador.

Beletsky defended a habilitation in historical sciences. He held the following positions:
1954–1958 – official of the Soviet Embassy to Austria1958–1961 – official of the Ministry of Foreign Affairs1961–1968 – official of the Soviet Embassy to East Germany1969–1972 – official at the Ministry of Foreign Affairs1972–1974 – official of the Soviet Embassy to East Germany1974–1978 – official of the Soviet Embassy to Czechoslovakia1978–1980 – deputy rector of the Diplomatic Academy of the Ministry of Foreign Affairs of the Russian Federation1980–1982 – official of the Soviet Embassy to East Germany1982–1985 – ambassador of the Soviet Union to the NetherlandsBeletsky was married to Rimma and had two stepsons, born ca. 2001 and 2013. His family disappeared in 2013 under unclear circumstances.