is an Italian professional football manager and former player who is the manager of the Brazil national team. Nicknamed \"Carletto\" in Italy and \"Don Carlo\" in Spain, he is regarded as one of the greatest football managers of all time. Ancelotti has won the UEFA Champions League five times, a record for a manager, and is the only manager to take part in six Champions League finals. Ancelotti is also the only manager to win league titles in all of Europe's top five leagues. He has won the FIFA Club World Cup three times and has won the UEFA Super Cup five times, a record for a manager.

As a player, Ancelotti won two European Cups with AC Milan in 1989 and 1990, making him one of seven people to have won the European Cup/Champions League as both a player and a manager. He played as a midfielder and began his career with Italian club Parma, helping the club get promoted to Serie B in the 1978–79 season. He moved to Roma the following season, where he won a Serie A title and four Coppa Italia titles. He then played for the late 1980s Milan team and won many titles, including two Scudetti and two European Cups. At international level, he had 26 appearances and one goal for the Italy national team. He represented Italy at two FIFA World Cups and at the UEFA Euro 1988, finishing in third place at the 1990 World Cup and being a semi-finalist at the Euro tournament.

As a manager, Ancelotti worked for Reggiana, Parma, and Juventus between 1995 and 2001. He then joined Milan in 2001 and went on to win both the 2002–03 Champions League and 2002–03 Coppa Italia. The following season, he won the Scudetto with an Italian record of 82 points. In 2007, he won his second Champions League with Milan. Ancelotti was awarded the Serie A Coach of the Year twice. He resigned from Milan after the 2008–09 season and was the club's longest-serving manager.

In 2009, Ancelotti became the manager of Chelsea and won the domestic double of the Premier League and the FA Cup in his first season. In 2011, he became the manager of Paris Saint-Germain; the following season, he won their first Ligue 1 title in 19 years and was awarded joint Ligue 1 Manager of the Year. Following his success in France, Ancelotti became the manager of Real Madrid. In his first season, he led Real Madrid to their tenth Champions League title and a Copa del Rey title. Despite winning more trophies with the club and being awarded the Miguel Muñoz Trophy in 2014–15 for the best manager in La Liga, Ancelotti was dismissed from Real Madrid in May 2015. He became the manager of Bayern Munich in 2016 and won the Bundesliga title in his first season. Following stints at Napoli and Everton between 2018 and 2021, he returned to Real Madrid in the summer of 2021, where he won two La Liga–Champions League doubles in 2022 and 2024. In 2025, he was appointed as coach of a national team for the first time when he took on the position with Brazil.