Pyotr Lazarevich Voykov (Russian: ???? ??´??????? ??´????; Ukrainian: ????? ????????? ??????; party aliases: ??????? and ???????????, or Piotrus and Intelligent) (August 13 [O.S.
August 1] 1888 – June 7, 1927) was a Soviet revolutionary and diplomat known for his role in the murder of the Romanov family.
The exact role Voykov played in the killings, in regard with his status as a respected diplomat by some individuals in Russia, has been a cause of frequent controversy.