William August Vasilyevich Pokhlyobkin (August 20, 1923 – April 15 (burial date), 2000; Russian: Ви́льям-Август Васи́льевич Похлёбкин, Viliyam Vasilievich Pokhlyobkin) was a Soviet and Russian historian specializing in Scandinavian studies, heraldry, the diplomacy and international relations of Russia.

William Pokhlyobkin was born to Russian revolutionary Vasili Mikhailov (Михайлов Василий Михайлович).

"Pokhlyobkin" was Mikhailov's underground nickname, derived from the word "Pokhlyobka [ru]" which is a Russian type of vegetable soup.

Printed simultaneously in large numbers they gave rise to speculation that "Pokhlyobkin" was a pen name of a whole artel of writers.

[5] His dead body was uncovered by the chief editor of the Polyfakt publishing house, who was worried about the delay of the book Cuisine of the Century and came from Moscow to Podolsk to see Pokhlyobkin.