Prince Konstantin Dadiani (Georgian: კონსტანტინე დადიანი, Russian: Константин Леванович Дадиани; 18 October 1819 – 25 April 1889) was a Georgian nobleman of the House of Dadiani and general of the Russian Imperial Army. During his nearly four-decade long military career, he fought in the Caucasian, Crimean, and Turkish wars.