Sergey Sviridov (born 20 October 1990 in Sverdlovsk) is a Russian decathlete. He competed in the decathlon at the 2012 Summer Olympics, finishing eighth.
| 2009 | European Junior Championships | Novi Sad, Serbia | 15th | Decathlon (Jr) | 7069 pts | |
| 2012 | Olympic Games | London, United Kingdom | 8th | Decathlon | 8219 pts | |
| 2013 | Universiade | Kazan, Russia | bgcolor=silver | 2nd | Decathlon | 7939 pts |
| World Championships | Moscow, Russia | 20th | Decathlon | 7843 pts | ||
| 2014 | European Championships | Zürich, Switzerland | – | Decathlon | DNF |