The Opposition Bloc "Ne Tak", (Ukrainian: Опозиційний Блон "Не Так" ("NOT SO!")) is a former political alliance in Ukraine.
It consists of
- Social Democratic Party of Ukraine (united)
- Republican Party of Ukraine
- Women for the Future All-Ukrainian Political Union
- Political Party "All-Ukrainian Union Center
At the Ukrainian parliamentary election, 2006, 26 March 2006, it won 1.01% of the popular vote and no seats.