Yukhym Hryhorovych Medvediev (Ukrainian: Юхим Григорович Медведєв, Russian: Ефим Григорьевич Медведев, romanized: Yefim Grigoryevich Medvedev; 1 April 1886 – 7 June 1938) was a Ukrainian Soviet politician and the first elected chairman of the Soviet parliament in Ukraine.

Medvediev was born in Bakhmut city of Yekaterinoslav Governorate (Now in Donetsk Oblast, Eastern Ukraine) in a family of Ukrainian ethnicity.

In December 1917 Medvediev became one of the organizers of the 1st All-Ukrainian Congress of Soviets of Peasants', Workers', and Soldiers' Deputies in Kharkiv.

Medvediev was dismissed as the chairman of TsVK in March 1918 and with withdrawal of the Soviet forces from Ukraine moved to Moscow.

At the start of 1930s Medevediev has fully quit the political life and lived in the capital city of Kharkiv where he worked at numerous locations.