Ostap Vyshnia (real name Pavlo Hubenko) was a Ukrainian writer, humourist, satirist, and medical official (feldsher). Nicknamed by many critics as the Ukrainian Mark Twain and the Ukrainian Printing King.

Hubenko's first published work, Denikin's Democratic Reforms, appeared on 2 November 1919 in the newspaper Narodna Volia under the pen name P. Hrunsky. Several satirical articles were also printed in this same newspaper by the young writer.