Belarus is expected to compete at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games have been postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It will be the nation's seventh consecutive appearance at the Summer Olympics in the post-Soviet era.
Belarusian canoeists qualified a total of eight boats in each of the following distances for the Games through the 2019 ICF Canoe Sprint World Championships in Szeged, Hungary. ;Men ;Women Qualification Legend: FA = Qualify to final ; FB = Qualify to final B
Cycling
Road
Belarus entered one rider each to compete in the men's and women's Olympic road races, by virtue of his top 50 national finish and her top 22 in the UCI World Ranking.
Athlete
Event
Time
Rank
Men's road race
Women's road race
Women's time trial
Track
Following the completion of the 2020 UCI Track Cycling World Championships, Belarus entered two riders to compete each in the men's and women's omnium, respectively, based on their final individual UCI Olympic rankings. ;Omnium
Equestrian
Belarus entered two eventing riders into the Olympic equestrian competition by securing the second and third of six available slots, respectively, outside the group and continental selection, in the individual FEI Olympic rankings. MeanwhIle, one dressage rider was added to the Belarusian roster by finishing in the top two, outside the group selection, of the individual FEI Olympic rankings for Group C.
Dressage
Qualification Legend: Q = Qualified for the final; q = Qualified for the final as a lucky loser
Eventing
Gymnastics
Artistic
Belarus entered two artistic gymnasts into the Olympic competition. Anastasiya Alistratava booked a spot in the women's individual all-around and apparatus events, by finishing fifteenth out of the twenty gymnasts eligible for qualification at the 2019 World Championships in Stuttgart, Germany. On the men's side, Rio 2016 Olympian Andrey Likhovitskiy received a spare berth from the apparatus events, as one of the seven highest-ranked gymnasts, neither part of the team nor qualified directly through the all-around, at the same tournament. ;Men ;Women
Rhythmic
Belarus qualified a squad of rhythmic gymnasts for the individual and group all-around by finishing in the top 16 and top 5, respectively, at the 2019 World Championships in Baku.
Trampoline
Belarus qualified one gymnast for the men's trampoline by finishing in the top eight at the 2019 World Championships in Tokyo, Japan.
Belarus qualified two boats for each of the following rowing classes into the Olympic regatta. Rowing crews in the men's pair and women's lightweight double sculls confirmed Olympic places for their boats at the 2019 FISA World Championships in Ottensheim, Austria. Qualification Legend: FA=Final A ; FB=Final B ; FC=Final C ; FD=Final D ; FE=Final E ; FF=Final F ; SA/B=Semifinals A/B; SC/D=Semifinals C/D; SE/F=Semifinals E/F; QF=Quarterfinals; R=Repechage
Sailing
Belarusian sailors qualified one boat in each of the following classes through the class-associated World Championships, and the continental regattas. M = Medal race; EL = Eliminated – did not advance into the medal race
Shooting
Belarusian shooters achieved quota places for the following events by virtue of their best finishes at the 2018 ISSF World Championships, the 2019 ISSF World Cup series, European Championships or Games, and European Qualifying Tournament, as long as they obtained a minimum qualifying score by 31 May 2020.
Swimming
Belarusian swimmers further achieved qualifying standards in the following events, and potentially 1 at the Olympic Selection Time ):
Wrestling
Belarus qualified two wrestlers for each of the following classes into the Olympic competition; all of whom finished among the top six to book Olympic spots in the men's Greco-Roman 87 kg and women's freestyle 57 kg at the 2019 World Championships. ;Men's Greco-Roman ;Women's freestyle