| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Aliaksei Aliaksandravich•Abalmasau | 
| Used name | Aliaksei•Abalmasau | 
| Original name | Аляксей Аляксандравіч•Абалмасаў | 
| Other names | Aleksey Aleksandrovich Abalmasov, Алексей Александрович Абалмасов | 
| Born | 20 June 1980 in Barysaw, Minsk Voblast (BLR) | 
| Measurements | 180 cm / 83 kg | 
| Affiliations | Dynamo Barisov, Barysaw (BLR) / FK Dinamo Minsk, Minsk (BLR) | 
| NOC |   Belarus | 
| Medals | OG | 
| Gold | 1 | 
| Silver | 0 | 
| Bronze | 0 | 
| Total | 1 | 
Aleksey Abalmasov had the following podium finishes at the Flatwater World Championships: 1st 2005 K4 500 m (with Roman Petrushenko, Demyan Turchin, and Vadim Makhnyov), 1st 2009 K4 1000 m (with Vadim Makhnyov, Artur Litvinchuk, and Roman Petrushenko), 2nd 2002 K4 500 m (with Vadim Makhnyov, Roman Petrushenko, and the non-Olympian Aleksey Skurkovsky), 2nd 2010 K4 1000 m (with Vadim Makhnyov, Artur Litvinchuk, and Roman Petrushenko), 3rd 2005 K4 200 m (with Roman Petrushenko, Demyan Turchin, and Vadim Makhnyov), 3rd 2006 K4 1000 m (with Roman Petrushenko, Demyan Turchin, and Vadim Makhnyov).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Canoe Sprint (Canoeing) |  BLR | 
Aliaksei Abalmasau | |||
| Kayak Fours, 1,000 metres, Men (Olympic) | Belarus | 6 | ||||
| 2008 Summer Olympics | Canoe Sprint (Canoeing) |  BLR | 
Aliaksei Abalmasau | |||
| Kayak Fours, 1,000 metres, Men (Olympic) | Belarus | 1 | Gold |