FC Barcelona supplied more players to Spain's 2026 FIFA World Cup-winning squad than any other club, underlining the Catalan club's continued influence on the national team after Spain secured its second men's world title.

The squad featured a strong domestic core, with Barcelona contributing eight players, the largest representation of any club. Atlético Madrid followed with four players, while Athletic Club provided three and Real Sociedad one, reflecting the continued importance of La Liga in producing Spanish internationals.

Spain's success was also built on players competing abroad. The English Premier League accounted for the largest overseas contingent, with Arsenal contributing three Spain internationals, while Liverpool, Manchester City, Tottenham Hotspur, Chelsea and Crystal Palace each had one player in the squad.

Paris Saint-Germain was the only French club represented, while Celta Vigo also contributed one player from Spain's domestic league.

The composition of the squad illustrates the growing international footprint of Spanish footballers. According to FIFA's Regulations on the Status and Transfer of Players and UEFA competition records, increasing numbers of Spain internationals now develop in La Liga before moving to Europe's biggest leagues, particularly the Premier League.

Barcelona's influence remains closely tied to its renowned La Masia academy, which has produced generations of Spain internationals. The club previously formed the backbone of Spain's teams that won UEFA Euro 2008, the 2010 FIFA World Cup and UEFA Euro 2012, with players such as Xavi Hernández, Andrés Iniesta, Sergio Busquets, Gerard Piqué and Carles Puyol central to that era.

The 2026 champions continue that tradition. Barcelona's representatives included several of Spain's most influential performers throughout the tournament, reinforcing the club's role as the country's leading developer of elite talent.

The Premier League's seven representatives also demonstrate England's growing appeal to Spain's top players. Arsenal had the largest contribution among English clubs with three internationals, while Liverpool, Manchester City, Tottenham, Chelsea and Crystal Palace each added one.