Famous people known as Ronaldo include:
Ronaldo (Brazilian footballer) (born 1976), Ronaldo Lus Nazrio de Lima
Cristiano Ronaldo (born 1985), Portuguese international footballer
Ronaldo de Assis Moreira (born 1980), Brazilian international footballer, most commonly known as Ronaldinho
Ronaldo Guiaro (born 1974), Brazilian international footballer
Ronaldo Rodrigues de Jesus (born 1965), Brazilian international footballer
Ronaldo Maczinski (born 1980), Brazilian footballer
Ronaldo Soares Giovanelli (born 1967), Brazilian footballer
Ronaldo Puno, Philippine campaign manager
Born and raised on the Portuguese island of Madeira, Ronaldo was diagnosed with a racing heart at the age of 15. He underwent an operation to treat his condition, and began his senior club career playing for Sporting CP, before signing with Manchester United at age 18 in 2003. After winning his first trophy, the FA Cup, during his first season in England, he helped United win three successive Premier League titles, a UEFA Champions League title, and a FIFA Club World Cup. By age 22, he had received Ballon d'Or and FIFA World Player of the Year nominations and at 23 years old, he won his first Ballon d'Or and FIFA World Player of the Year awards. In 2009, Ronaldo was the subject of the most expensive association football transfer when he moved from Manchester United to Real Madrid in a transfer worth 94 million (80 million).
In Spain, Ronaldo has won 13 trophies, including two La Liga titles, two Copas del Rey, three Champions League titles and two UEFA Super Cups. After joining Real Madrid, Ronaldo finished runner-up for the Ballon d'Or three times, behind Lionel Messi, his perceived career rival, before winning back-to-back Ballons d'Or in 2013 and 2014. He has scored a record 32 La Liga hat-tricks, including a record-tying 8 hat-tricks in the 201415 season and is the only player to reach 30 league goals in six consecutive La Liga seasons. In 2014, Ronaldo became the fastest player in history to reach 200 La Liga goals, which he achieved in 178 matches. In 2015, he became the club's all-time leading goalscorer. In 2016, Ronaldo won his fourth Ballon d'Or by a record voting margin after sealing La Undcima, Madrid's 11th European title, and winning Euro 2016.
A Portuguese international, Ronaldo was named the best Portuguese player of all time by the Portuguese Football Federation in 2015. Ronaldo made his senior international debut in August 2003, at the age of 18. He is Portugal's most capped player of all time with over 130 caps, and has participated in seven major tournaments. He is Portugal's all-time top goalscorer. He scored his first international goal at Euro 2004 and helped Portugal reach the final. He took over full captaincy in July 2008, leading Portugal to their first-ever triumph in a major tournament by winning Euro 2016, and received the Silver Boot as the second-highest goalscorer of the tournament. One of the most marketable sportsmen, he was ranked the world's highest-paid athlete by Forbes in 2016 and 2017, as well as the world's most famous athlete by ESPN in 2016 and 2017.