Sergey Detkov (born 5 March 1979) is a Russian orienteering competitor.He received a silver medal at the World Games in 2005 in the mixed relay, with Aliya Sitdikova, Maxim Davydov and Tatiana Ryabkina.He received a silver medal in the short distance and finished 4th in the classic distance at the 1999 Junior World Orienteering Championships in Varna.