Mikalai Shubianok (be|Мікалай Шубянок; born 4 May 1985 in Gomel) is a decathlete from Belarus. He set his personal best score (8028 points) in the men's decathlon on 19 May 2007 in Minsk. His first name is sometimes also spelled as Nikolay.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2004 | World Junior Championships | Grosseto, Italy | — | Decathlon (junior) | DNF | |
| 2007 | Bangkok, Thailand | 5th | Decathlon | 7721 pts | ||
| 2008 | Götzis, Austria | 11th | Decathlon | 7884 pts | ||
| Beijing, China | 16th | Decathlon | 7906 pts | |||
| 2009 | Belgrade, Serbia | 1st | Decathlon | 7960 pts | ||
| 2011 | Shenzhen, China | 6th | Decathlon | 7620 pts | ||
| 2012 | European Championships | Helsinki, Finland | 9th | Decathlon | 7948 pts (SB) | |