Sergey Sergeyevich Litvinov (Russian: Сергей Сергеевич Литвинов, born 27 January 1986) is a hammer thrower.

He currently competes for Russia, having previously represented Germany and Belarus.

[2] The same year he threw 73.98 m with the 7.26 kg hammer, which placed him 57th on the senior world rankings.

[4] Aged 21, he attended the 2007 European Athletics U23 Championships where he went in as favorite with a mark of 74.80 m set only a month earlier.

In 2022, all his results from 14 July 2012 until 25 February 2016 have been cancelled after he recognised have been doped to AIU.