 Sergey Shiryayev

Sergey Shiryayev (, born February 8, 1983) is a Russian cross-country skier who has been competing since 2002.His best finish at the FIS Nordic World Ski Championships was 11th in the 15 km event (9.3 miles) at the 2007 event in Sapporo, but that result was declared null and void upon announcing Shiryayev's disqualification for doping on EPO at the last day of the championships on March 4, 2007.