Emir-Usein Kuku (Ukrainian: ????-????? ????, born 26 June 1976) is a Crimean Tatar human rights defender and member of the Crimean Human Rights Contact Group.
In February 2016, he was arrested and charged by Russian authorities on the accusation that he was a member of the Islamist group Hizb ut-Tahrir, although Kuku denies any involvement in this organization.