Social Democratic Party of Pridnestrovie (Moldovan: Партидул Сочиал-Демократ Russian: Социал-Демократическая Партия Ukrainian: Соціал-Демократична Партія) was a social-democratic political party in Transnistria. It was formed on 25 January 2007 by Alexander Radchenko a former member of the Transnistrian Supreme Soviet. Unlike other political parties in Transnistria it supports conditional unification with Moldova with a high amount of autonomy for Transnistria.