Sergey Ivanovich Smetanyuk (Russian: Сергей Иванович Сметанюк; born 8 June 1962), is a Ukrainian-born Russian politician who lasted served as the acting Governor of Tyumen Oblast in November 2005, and the head of the Tyumen administration from 2005 to 2007.

He was the Member of the Scientific and Editorial Council of the Big Tyumen Encyclopedia (2004).

[1] Sergey Smetanyuk was born on 8 June 1962, in the village of Dashiv, in Ukraine.

In 1988, he was elected first secretary of the Komsomol organization of the Leninsky district of Tyumen.

[2] In 1998 he completed his postgraduate studies at the Russian Academy of Public Administration under the President of the Russia, defended his dissertation and received the degree of candidate of sociology.