Sergei Vladimirovich Dobrin (, born 22 September 1986) is a Russian former competitive figure skater. He is the 2005 World Junior bronze medalist and a two-time ISU Junior Grand Prix Final silver medalist. On the senior level, he won bronze medals at the 2006 Trophée Éric Bompard, 2006 Finlandia Trophy, and two Russian Championships (2006 and 2007).