[2] Spain fielded a squad of eight artistic swimmers to compete across all events by securing one of five available spots in the women's team routine at the 2024 World Aquatics Championships in Doha, Qatar.

Rio 2016 Olympic champion Carolina Marín, with Pablo Abián playing in the badminton court at his fifth consecutive Games on the men's side, were automatically selected among the top 40 individual shuttlers in their respective singles events, based on the BWF World "Race to Paris" Rankings, which were closed on 28 April 2024.

Spanish canoeists qualified boats in four classes through the 2023 ICF Canoe Slalom World Championships in Lee Valley, Great Britain.

[27] Spanish riders accumulated spots for both men's madison and omnium, based on the country's results in the final UCI Olympic rankings.

In dressage, José Daniel Martín was originally selected to compete with 'Malagueño LXIII', but he was later forced to withdrawn his horse, so Claudio Castilla with 'Hi Rico Do Sobral' replaced them.

Key: Spain men's football team qualified for the Olympics by advancing to the semifinals of the 2023 UEFA European Under-21 Championship in Georgia and Romania.

Spain entered two men and two women into the Olympic tournament as they qualified directly among the top 60 eligible players per gender category, based on their corresponding IGF World Rankings.

Additionally, Spain secured two individual places for the women's all-around event at the same championships, and a third one at the 2024 FIG Artistic Gymnastics World Cup series.

Spain entered a squad of rhythmic gymnasts to compete in the group all-around competition, following the nation's successful third-place finish in the qualifying round at the 2022 World Championships in Sofia, Bulgaria.

[66] Head coach: Ambros Martín[67] Spain qualified eight judoka (five men and three women) for each of the following weight classes at the Games by virtue of their top-18 finish in the IJF World Ranking List, while Cristina Cabaña (women's half-middleweight, 73 kg) earned a continental berth from Europe as the nation's top-ranked judoka outside of direct qualifying position.

Laura Heredia secured her selection in the women's event by winning a silver medal and finishing among the eight highest-ranked modern pentathletes eligible for qualification at the 2023 European Games in Krakow, Poland.

The full swimming squad was confirmed by the Royal Spanish Swimming Federation (RFEN) on 22 June 2024,[81] with the two times Olympic swimmer Jessica Vall and Laura Cabanes both being later invited by World Aquatics due to their OCT.[82][83] Spain qualified the mixed double's pair through the 2024 ITTF World Mixed Doubles Olympics Qualification held in Havirov, Czech Republic;[84] one men's singles quota based on continental ranking and one women's singles quota based on the final ITTF World Rankings.

Three of them qualified through the direct qualification for their respective weight classes by finishing among the top five taekwondo practitioners at the end of the WT Olympic Rankings.

Meanwhile, the fourth athlete, Cecilia Castro, qualified for the Games after her semifinal victory at the 2024 European Olympic Qualification Tournament in Sofia, Bulgaria.

The team was announced on 12 June 2024, while Pablo Carreño was later replaced by Pedro Martínez and Alejandro Davidovich by Jaume Munar in the singles event.

[85][86] Spain confirmed five quota places in the triathlon events for Paris, based on the final Individual Olympic Qualification Rankings completed in May 2024.

[87] Spain qualified three pairs (two men and four women) for the Games by virtue of their corresponding top-17 placement in the FIVB Beach Volleyball Olympic Ranking completed in June 2024.

[88] Spain men's national water polo team qualified for the Olympics by winning the 2024 European Championship in Zagreb and Dubrovnik, Croatia.

[90] Head coach: David Martín[91] Spain women's national water polo team qualified for the Olympics by advancing to the final match and securing an outright berth at the 2023 World Aquatics Championships in Fukuoka, Japan.