Beletski or Beletsky (feminine, in Russian: Beletskaya) is a Russian-language surname. Its Polish counterpart is Bielecki, Ukrainian: Biletskyi, Biletskyy.
The surname may refer to: Alexei Beletski (born 1979), Israeli ice dancer Irina Beletskaya (born 1933), Russian chemist Stepan Petrovich Beletsky, statesman and head of the Police Department in the Russian Empire Viktor Beletsky, Soviet diplomat Monica Beletsky, American television producer and screenwriter