Konstantin Andriushin (Russian: Константин Андрюшин; born May 19, 1975) is a Kyrgyz former swimmer, who specialized in butterfly events.

[1] He is a two-time Olympian (1996 and 2000), and a member of the Kyrgyzstan swimming team since the breakup of the Soviet Union.

[3] He also placed twenty-first, along with his teammates Konstantin Priahin, Yevgeny Petrashov, and Russian import Sergey Ashihmin, in the 4×100 m medley relay (3:56.24).

[5] He challenged seven other swimmers in heat two, including 19-year-olds Zoran Lazarovski of Macedonia and Juan Pablo Valdivieso of Peru.

He held off a battle race from Indonesia's Albert Sutanto to save a seventh spot by 0.27 of a second in 2:04.86.