Corrective colony No. 6, Vladimir Oblast

FKU Corrective Colony No. 6 of the UFSIN of Russia for Vladimir Oblast also known simply as IK-6 Melekhovo or Melekhovo correctional colony, is a strict regime corrective colony located on the outskirts of the town of Melekhovo in Vladimir Oblast, Russia. The abuse and torture of inmates has been reported.

Russian opposition leader and prisoner of conscience Alexei Navalny was imprisoned there from 2022 until late 2023.

It is also the last known location of Russian political activist and prisoner Vladimir Kara-Murza.