Alexey Viktorovich Kuzmichev or Kousmichoff is a Russian businessman. He is one of the founders of the LetterOne Group and the Alfa Group.
Kuzmichev was a stakeholder in VimpelCom, Alfa-Bank, and X5 Retail Group. In March 2013, Kuzmichev sold his stake in energy venture TNK-BP to state-run oil company Rosneft for $2.5 billion. In March 2023, Kuzmichev sold his 16.32% stake in Alfa Bank and left the shareholders.