リトアニア社会民主党
Zigmantas Balčytis (born 16 November 1953 in Šilutė district municipality) is a Lithuanian politician who briefly served as acting Prime Minister of Lithuania in 2006. He took office on 1 June 2006 following the resignation of Algirdas Brazauskas, but failed to be approved by the Parliament to become Prime Minister. He was succeeded on 4 July by Gediminas Kirkilas. Balčytis is a member of the Social Democratic Party of Lithuania and was Minister of Finance in the Brazauskas government from 2005 to 2007.