Ruben Gukasovich Rubenov (Russian: Рубен Гукасович Рубенов, Azerbaijani: Рубен Гукасович Рубенов, romanized: Ruben Qukasoviç Rubenov, Armenian: Ռուբեն Ղուկասի Ռուբենով) (1894 – 27 November 1937), also known as Ruben Mkrtichyan, was a Bolshevik revolutionary and Soviet politician who served as the 6th First Secretary of Azerbaijan Communist Party and revolutionary.
On 7 February 1933 he was appointed the First Secretary of Azerbaijan SSR and served until 10 December that year, when he was replaced by Mir Jafar Baghirov.
[2] He was then appointed the Plenipotentiary of the Party Control Committee for the Kiev Oblast of Ukrainian SSR in 1934.
[3] On 15 September 1937 he was arrested for "participation in terrorist activities" and sentenced to execution by firing squad by Military Tribunal.
On 17 November 1954 he was posthumously rehabilitated by Military Collegium of the Supreme Court of the USSR.