Mieczysław Mickiewicz (1879 – before 1939) was a Ukrainian politician and lawyer of Polish descent, later a statesman of the Second Polish Republic. Mickiewicz, a member of Polish Democratic Centrist party, was the deputy-secretary of Polish affairs in several cabinets of the Ukrainian People's Republic (also known as the Ukrainian National Republic), headed by Volodymyr Vynnychenko in 1917/1918. From February 22, 1922, until February 1, 1923, he was the voivode of Volhynian Voivodeship, Poland.