Sydir[a] Vasylyovych Kizin (Ukrainian: Сидір Васильович Кізін; born 15 November 1975) is a Ukrainian lawyer and politician who briefly served as Governor of Zhytomyr Oblast from March to July 2014.

Kizin participated in the national revival of the late 1980s and early 1990s in Zhytomyr Oblast, attended meetings of the Taras Shevchenko Society of Ukrainian Language and took part in such events as "Chain of Unity" and the Revolution on Granite.

In 1992–1998 he studied at the Faculty of Law in the Ivan Franko National University of Lviv, obtained the qualification of lawyer.

During this period, on a cost-free basis he has participated in dozens of high-profile trials in defense of political prisoners, opposition journalists and civic activists.

[clarification needed] From March 2014 to July 2014 Sydir Kizin worked as Governor of Zhytomyr Oblast.

Since the party came 0.29% short of overcoming the 5% threshold to win seats on a nationwide list, Kizin was not elected to the Verkhovna Rada.