Sergey Nikolaevich Kotkin (Russian: Сергей Николаевич Коткин; born 11 March 1956, Malotenginskaya, Krasnodar Krai) is a Russian political figure and deputy of the 7th and 8th State Dumas.

[1] In 1982, Kotkin started his career at the Federal Security Service, first as an ordinary detective and later as the head of a department.

From November to 2016, he was secretary at the Nenets regional branch of "United Russia".

In September 2016, he was elected deputy of the 7th State Duma from the Nenets Autonomous Okrug constituency.

[1][2][3] He was sanctioned by the UK government in 2022 in relation to the Russo-Ukrainian War.