Sergey Petrovich Klyugin (Russian: Сергей Петрович Клюгин; born 24 March 1974 in Kineshma) is a Russian high jumper.

He won the gold medal at the 2000 Summer Olympics with 2.35m, one centimetre behind his personal best jump from 1998.

Married to Viktoriya Klugina, they have three children together, a daughter and two sons.

[5] Has two sons from a previous marriage.

This biographical article relating to Russian athletics is a stub.