Sergei Sergeevich Sidorsky[a][1] (born 13 March 1954) is a Belarusian politician who served as prime minister of Belarus from 11 July 2004 to 28 December 2010.

Following his tenure at the plant, Sidorsky served as the general manager of the Research and Production Association RATON in Homiel from 1992 to 1998.

In this capacity, he spearheaded various policies and initiatives aimed at promoting economic growth, social development, and international cooperation.

On December 13, 2011, he was appointed a member of the Board (Minister) for Industry and Agro-Industrial Complex of the Eurasian Economic Commission.

In 2009, he was honored by Ukrainian president Viktor Yushchenko with the distinction of "Honorary Weapon", for his "significant personal contribution to the development of Ukrainian-Belarusian relations".