Sergio Ramos García (Spanish pronunciation: [ˈseɾxjo ˈramos ɣaɾˈθi.a]; born 30 March 1986) is a Spanish professional footballer who plays as a centre-back for Ligue 1 club Paris Saint-Germain and the Spain national team. Known for his aggressive play, ball retrieval ability and prolific goalscoring abilities, he is widely regarded as one of the greatest defenders of all time, having formerly played for Real Madrid for sixteen seasons, winning four UEFA Champions League titles with the Spanish giants along with two UEFA European Championship titles and the 2010 FIFA World Cup with the national team.After emerging through Sevilla's youth academy and spending two seasons with the senior side, Ramos moved to Real Madrid in the summer of 2005. Since then, he went on to become a mainstay for Real Madrid, and had won 22 major honours, including five La Liga titles and four UEFA Champions League titles, becoming one of La Liga's top goalscorers from a defensive position. He played a crucial part in the build-up to all four UEFA Champions League wins, being named in the competition Squad of the Season each time. He also scored the equaliser in the 93rd minute of the 2014 UEFA Champions League Final.

Ramos has been named to the FIFPro World11 eleven times; a record for a defender, and the third-most all-time. He has also been elected to the UEFA Team of the Year nine times, also a record for a defender and the third-most of any player. Additionally, Ramos has been named La Liga's Best Defender a record five times, and to the La Liga Team of the Season in 2015–16. In 2021, he joined Paris Saint-Germain on a free transfer.

Internationally, Ramos represented the Spanish national team at four World Cups and three European Championships. He won the 2010 FIFA World Cup and the UEFA European Championship in 2008 and 2012, being named to the FIFA World Cup Dream Team in 2010, and the UEFA Euro Team of the Tournament in 2012. He made his first appearance for Spain at the age of 18 and, in 2013, he became the nation's youngest player to ever reach 100 caps. Ramos currently holds the record as the most capped player in the history of the Spanish national team and is his country's eighth-highest all-time goalscorer. He also holds the record of most international victories for Spain with 131 matches won.