Luxembourgian athletes achieved the entry standards, either by qualifying time or by world ranking, in the following track and field events (up to a maximum of 3 athletes in each event):[2][3]
Key
Note–Ranks given for track events are within the athlete's heat only
Q = Qualified for the next round
q = Qualified for the next round as a fastest loser or, in field events, by position without achieving the qualifying target
Luxembourg entered a squad of three riders (two men and one woman) to compete in their respective Olympic road races, by virtue of their top 50 national finish (for men) and top 22 (for women) in the UCI World Ranking.[4]
Luxembourg entered one dressage rider into the Olympic equestrian competition, by finishing in the top two, outside the group selection, of the individual FEI Olympic Rankings for Group B (South Western Europe), marking the country's debut in the sport.[5]
Luxembourgian swimmers further achieved qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the Olympic Qualifying Time (OQT), and potentially 1 at the Olympic Selection Time (OST)):[6][7]
Luxembourg entered two athletes into the table tennis competition at the Games. Going to her sixth straight Olympics, Ni Xialian secured one of three available spots in the women's singles with a bronze medal victory at the 2019 European Games in Minsk, Belarus.[8] Meanwhile, Sarah de Nutte was automatically selected among the top ten table tennis players vying for qualification to join Ni Xialian in the same event based on the ITTF Olympic Rankings of June 1, 2021.[9]
Luxembourg qualified a single triathlete via the Individual World Rankings, signifying the nation's Olympic return to the sport for the first time since Beijing 2008.