Sergey Danilin (born 1 January 1960) was a Soviet luger who competed from the early 1980s to the mid-1990s.
Competing in four Winter Olympics, he earned the silver medal in the men's singles event at Sarajevo in 1984.
Danilin also won a complete medals in the men's singles event at the FIL World Luge Championships with a gold in 1981, a silver in 1983, and a bronze in 1987.
He also won a pair of bronze medals in the mixed team event (1989, 1990).
Danilin also won two medals in the men's singles event at the FIL European Luge Championships with a gold in 1986 and a silver in 1982.
His best finish in the overall men's singles Luge World Cup was second twice (1981-2, 1982-3).
Danilin married fellow Soviet luger Nadejda Danilina in 1986.