Aliaksei Abalmasau is a canoeist who has competed for Belarus. He competed at the 2004 and 2008 Summer Olympic Games.
In both Olympic appearances, he competed in the men's K-4 1000 metres. In 2004, he and his boat finished second in the second heat, a second behind the Hungarian winners despite having a faster start, to directly qualify for the final, in which they once again started with the lead. In this medal race, they finished sixth on 3 seconds behind the podium, with the Hungarian boat winning the gold medal.
Four years later, the Belarusian team were third in the first heat to once again directly qualify for the final. In the final, they were on a provisional second place halfway through the race, but took the lead to win the gold medal.
Olympic Results[]
| Year | Event | Result |
|---|---|---|
| 2004 | Men's K-4, 1000m | 6th |
| 2008 | Men's K-4, 1000m | 
|
2004[]
| Discipline | Round | Time |
|---|---|---|
| C-4 1000 metres | Round 1 | 2:52.170 |
| Semifinal | Bye | |
| Final | 2:59.622 |
2008[]
| Discipline | Round | Time |
|---|---|---|
| C-4 1000 metres | Round 1 | 2:58.825 |
| Semifinal | Bye | |
| Final | 2:55.714 |