Argentine athletes achieved the entry standards, either by qualifying time or by world ranking, in the following track and field events : ;Track & road events
Basketball
Men's tournament
Argentina men's basketball team qualified for the Olympics by advancing to the quarterfinal stage as one of the two top-ranked squads from the Americas at the 2019 FIBA World Cup in China. ;Team roster
Men's team event – 1 team of 12 players
Canoeing
Sprint
Argentina qualified a single boat in the men's K-1 1000 m for the Games by finishing ninth overall and seventh among those nations eligible for Olympic qualification at the 2019 ICF Canoe Sprint World Championships in Szeged, Hungary. Qualification Legend: FA = Qualify to final ; FB = Qualify to final B
Cycling
Road
Argentina entered one rider to compete in the men's Olympic road race, by virtue of his top 50 national finish in the UCI World Ranking.
Athlete
Event
Time
Rank
Men's road race
Equestrian
With Canada being expelled from the Games over a positive doping test on the female rider, Argentina received an unused berth to send a squad of three equestrian riders into the Olympic team jumping competition by finishing fifth at the 2019 Pan American Games in Lima, Peru.
Jumping
Field hockey
;Summary
Men's tournament
Argentina men's field hockey team qualified for the Olympics by winning the gold medal and securing an outright berth at the final match of the 2019 Pan American Games in Lima. ;Team roster
Men's team event – 1 team of 16 players
;Group play ---- ---- ---- ----
Women's tournament
Argentina women's field hockey team qualified for the Olympics by winning the gold medal and securing an outright berth at the final match of the 2019 Pan American Games in Lima. ;Team roster
Argentina entered one artistic gymnast into the Olympic competition. Seventeen-year-old Martina Dominici booked a spot in the women's individual all-around and apparatus events, by finishing seventh out of the twenty gymnasts eligible for qualification at the 2019 World Championships in Stuttgart, Germany. ;Women
Handball
Men's tournament
Argentina men's handball team qualified for the Olympics by winning the gold medal and securing an outright berth at the final match of the 2019 Pan American Games in Lima. ;Team roster
Men's team event – 1 team of 14 players
Modern pentathlon
Argentine athletes qualified for the following spots to compete in modern pentathlon. Sergio Villamayor secured a selection in men's event by winning the bronze medal and finishing among the top two for Latin America at the 2019 Pan American Games in Lima.
Argentine sailors qualified one boat in each of the following classes through the 2018 Sailing World Championships, the class-associated Worlds, the 2019 Pan American Games, and the continental regattas. After meeting the selection criteria at the 2020 Worlds, Laser sailor Francisco Guaragna was officially named to the Argentine squad for his maiden Games, with Rio 2016 Olympian Lucía Falasca joining him to compete in the Laser Radial class. ;Men ;Women ;Mixed M = Medal race; EL = Eliminated – did not advance into the medal race
Shooting
Argentine 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, the 2019 Pan American Games, and Championships of the Americas, as long as they obtained a minimum qualifying score by 31 May 2020.
Swimming
Argentine swimmers further achieved qualifying standards in the following events, and potentially 1 at the Olympic Selection Time ):
Argentina entered one tennis player into the Olympic tournament. Nadia Podoroska secured an outright berth in the women's singles by advancing to the final match at the 2019 Pan American Games in Lima.
For the first time in 24 years, Argentina entered one wrestler to compete in the men's freestyle 65 kg into the Olympic competition, by progressing to the top two finals at the 2020 Pan American Qualification Tournament in Ottawa, Canada. ;Men's freestyle