Platon Leonidovich Lebedev is a Russian businessman and former CEO of Group Menatep. He was convicted of tax evasion, money laundering and embezzlement by Russian courts in two cases and imprisoned from July 2003 to January 2014. He is best known as a close associate of Mikhail Khodorkovsky.

Bank "MENATEP", Bank "MENATEP SPb" and "Group Menatep Limited" were financial companies, created by Russian businessman Mikhail Khodorkovsky. "Group Menatep Limited", the US$29 billion holding company that had indirect controlling interest in Yukos Oil Company, was later renamed, and now still exists as holding company GML with Leonid Nevzlin as principal shareholder holding a stake of around 70 percent. The other four ultimate beneficial owners owning an equal stake each are Platon Lebedev, Mikhail Brudno, Vladimir Dubov and Vasily Shakhnovsky.