In June 2021, the Olympic Committee of Slovenia officially confirmed 41 competitors who would represent the country at the Tokyo Summer Olympics. On 4 July 2021, the national men's basketball team won the Olympic Qualifying Tournaments in Kaunas, secured a spot at the Olympic tournament, and bringing the total number of athletes to 53. Eva Terčelj, a canoeist, and Bojan Tokić, a table tennis player, were chosen as the flag bearers at the opening ceremony. This was the first time in Olympic history that there were two flag bearers, a man and a woman. Slovenia sent competitors in 14 sports. Apart from the men's basketball team, the sports with five or more competitors were athletics, cycling, canoeing, and judo. Miroslav Cerar, a gymnast who won gold at the 1964 Summer Olympics in Tokyo, was chosen as the leader of the Slovenian Olympic Team.