Alexey Gennadievich Dmitrienko (Russian: Алексей Геннадиевич Дмитриенко; born 23 August 1972) is a Russian politician who served as a senator from Penza Oblast from 2016 to 2020.

Alexey Dmitrienko was born on 23 August 1972 in Pallasovka, Volgograd Oblast.

In 2004, he started working at the Research Institute of Physical Measurements in Penza.

From 2012 to 2016, he also served as a deputy of the Legislative Assembly of Penza Oblast.

From 2016 to 2020, he represented Penza Oblast in the Federation Council.