One Hungarian archer directly qualified for the men's individual recurve at the Games by reaching the quarterfinal stage and obtaining one of seven available spots at the 2021 Final Qualification Tournament in Paris, France.

[15] Meanwhile, Gergely Siklósi (men's épée) booked an additional spot on the Hungarian roster as one of the two highest-ranked fencers vying for qualification from Europe in the FIE Adjusted Official Rankings.

Rio 2016 Olympian Zsófia Kovács booked a spot in the women's individual all-around and apparatus events, by finishing sixth out of the twenty gymnasts eligible for qualification at the 2019 World Championships in Stuttgart, Germany.

Gábor Hárspataki qualified directly for the men's kumite 75 kg category by finishing third in the final pool round at the 2021 World Olympic Qualification Tournament in Paris, France.

Two-time Olympian Sarolta Kovács confirmed a place in the women's event by finishing eighth among those eligible for Olympic qualification at the 2019 European Championships in Bath, England.

[26][27] Róbert Kasza accepted a spare berth previously allocated by Bence Demeter as the nation's next highest-ranked modern pentathlete based on the UIPM World Rankings.

[28] Hungary qualified one boat in the men's single sculls for the Games by winning the bronze medal and securing the second of three berths available at the 2021 FISA European Olympic Qualification Regatta in Varese, Italy.

[38] Moreover, the last open berth in the inaugural mixed doubles was awarded to the Hungarian table tennis players, as the next highest-ranked pair vying for qualification in the ITTF World Rankings of June 1, 2021.

[41] Tímea Babos withdrew ahead of the tournament, with Márton Fucsovics joining her before his initial scheduled match against Poland's Hubert Hurkacz because of a right shoulder injury.

[42][43] Hungary confirmed four quota places (two per gender) in the triathlon events for the rescheduled Tokyo, after finishing among the top seven nations vying for qualification in the ITU Mixed Relay Olympic Rankings.

[44] Hungary men's national water polo team qualified for the Olympics by advancing to the final match and securing an outright berth at the 2020 European Championships in Budapest.

Two-time Olympian Péter Nagy accepted a spare berth unused by Africa as the next highest-ranked weightlifter vying for qualification in the men's +109 kg category based on the IWF Absolute World Rankings.