Konstantin Sergeyevich Semenov (Russian: Константин Сергеевич Семёнов; born 9 June 1989, Tokmok) is a Russian beach volleyball player.

[7] He competed for Russia at the 2012 Summer Olympics with his teammate Sergey Prokopyev finishing at the shared 9th place.

[9] At the 2016 Summer Olympics, Semenov and his new teammate Vyacheslav Krasilnikov finished as fourth.

[7] Since the end of 2017, Semenov plays with Ilya Leshukov.

[citation needed] This biographical article relating to volleyball in Russia is a stub.