The Anti-Corruption Foundation is a non-profit organization established in 2011 by Russian opposition figure Alexei Navalny. The FBK published investigations into alleged corruption by high-ranking Russian government officials. The organisation was funded by private donations.

Alexei Anatolyevich Navalny was a Russian opposition leader, lawyer, anti-corruption activist, and political prisoner. He organised anti-government demonstrations and ran for office to advocate reforms against corruption in Russia and against President Vladimir Putin and his government. Navalny was founder of the Anti-Corruption Foundation (FBK). He was recognised by Amnesty International as a prisoner of conscience, and was awarded the Sakharov Prize for his work on human rights.