Note that reserves in athletics, equestrian, field hockey, football, handball and water polo are not counted as athletes; however, expanded rosters were considered for field hockey, football, handball and water polo, following the decision of IOC to make them more flexible regarding the possible impact of COVID-19 protocols:[5] Spain qualified two archers: one for the men's individual recurve by winning the bronze medal and securing an outright berth available at the 2019 European Games in Minsk, Belarus;[6] and another for the women's individual recurve by earning one of the four spots available at the Europe Continental Qualification Tournament in Antalya, Turkey.

2014 Youth Olympian Clara Azurmendi, with Pablo Abián playing in the badminton court at his fourth consecutive Games on the men's side, was automatically selected among the top 40 individual shuttlers in their respective singles events.

[10][11] Reigning Olympic champion Carolina Marín was initially chosen but pulled out from the Games due to a knee injury.

[21][22] Spanish canoeists qualified boats in all four classes through the 2019 ICF Canoe Slalom World Championships in La Seu d'Urgell, Spain.

[28][29] Spain sent two divers into the Olympic competition by finishing among the top 18 in the men's springboard at the 2021 FINA World Cup in Tokyo, Japan.

Carlos Llavador claimed a spot in the men's foil as one of the two highest-ranked fencers vying for qualification from Europe in the FIE Adjusted Official Rankings.

[44] Later, Jon Rahm tested positive for COVID-19 and was replaced by Jorge Campillo Spain fielded two full teams of four gymnasts each into the Olympic competition for the first time since Athens 2004.

Both men's and women's squads secured each one of the remaining nine places in the team all-around at the 2019 World Championships in Stuttgart, Germany.

Defending European Games champions Damián Quintero and Sandra Sánchez qualified directly for their respective individual kata categories by finishing among the top four karateka at the end of the combined WKF Olympic Rankings.

Aleix Heredia finished sixth of the top eight modern pentathletes vying for qualification in the men's event based on the UIPM World Rankings of 1 June 2021.

[58][59] At the end of 2019 season, the Royal Spanish Sailing Federation announced the first set of sailors to compete at the Enoshima regatta, namely windsurfer Blanca Manchón, Rio 2016 Olympian Jordi Xammar and his new partner Nicolás Rodríguez in the men's 470 class.

[61][62] Ángel Granda (men's RS:X) was added to the list of confirmed Spanish athletes for the rescheduled Games on 16 March 2021, with Cristina Pujol (women's Laser Radial) rounded out the selection a month later.

[63] M = Medal race; EL = Eliminated – did not advance into the medal race Spanish 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 (MQS) by 31 May 2020.

Danny León, Jaime Mateu, and Julia Benedetti were automatically selected among the top 16 eligible skateboarders in the men's and women's park, respectively, based on the World Skate Olympic Rankings of 30 June 2021.

[71][72] Three-time Olympian Galia Dvorak was automatically selected among the top ten table tennis players vying for qualification to join Xiao in the same event based on the ITTF Olympic Rankings of 1 June 2021.

Meanwhile, 17-year-old Adriana Cerezo scored a semifinal victory in the women's flyweight category (49 kg) to book the remaining spot on the Spanish taekwondo squad at the 2021 European Qualification Tournament in Sofia, Bulgaria.

53), with the veteran Carla Suárez Navarro earning her fourth consecutive trip to the Games, occupied the four of the 56 available slots to compete in the women's singles based on their WTA World Rankings of 13 June 2021.

London 2012 silver medalist Javier Gómez Noya, along with Rio 2016 Olympians Fernando Alarza and Mario Mola, was selected among the top 26 triathletes vying for qualification in the men's event based on the individual ITU World Rankings of 15 June 2021, with Miriam Casillas and rookie Anna Godoy taking the two slots on the women's side.

[77] Spain women's beach volleyball pair qualified for the Games by advancing to the final match and securing an outright berth at the 2019 FIVB World Olympic Qualifying Tournament in Haiyang, China;[78] Meanwhile, the men's beach volleyball pair received an automatic spot for the tournament by virtue of their nation's top 15 placement in the FIVB Olympic Rankings of 13 June 2021.

[79] Spain men's water polo team qualified for the Olympics by advancing to the final match and securing an outright berth at the 2019 FINA World Championships in Gwangju, South Korea.

[81] Head coach: David Martín[82] Note: Age as of 23 July 2021Source: Spain Men | Tokyo 2020 Olympics Archived 2021-07-22 at the Wayback Machine Spain women's water polo team qualified for the Olympics by advancing to the final match and securing an outright berth, as the next highest-ranked squad, at the 2019 FINA World Championships in Gwangju, South Korea.