Seedorf may refer to:

Clarence Clyde Seedorf OON (Dutch pronunciation: [ˈklɛ.rəns ˈseɪ̯.dɔrf], born 1 April 1976 in Paramaribo, Suriname) is a Dutch professional footballer who is currently a free agent. Seedorf is the first player to have won the Champions League four times and with three different clubs – Ajax in 1995, Real Madrid in 1998 and Milan in 2003 and 2007.

Seedorf started his career as a right midfielder for Ajax during the early 1990s. He made his professional debut on 29 November 1992 against Groningen at the age of 16 years and 242 days, making him the youngest debutant for Ajax ever. In his early career, he played a role in Ajax's Eredivisie winning years of 1994 and 1995. He was also a key member during Ajax's 1995 UEFA Champions League winning campaign. After making his name in the Ajax side, Seedorf had one season with Sampdoria, scoring three goals.

Seedorf moved to Real Madrid in 1996, where he was "virtually ever present in the Blancos team for the first three seasons". In his first season he helped that team regain the La Liga title; in his second season (1997–1998), he played a major role in the team's Champions League success, as Real Madrid secured a 1–0 victory over Juventus in the final. It was the second Champions League title of his career.

Johannes Gerrit (Johan) Derksen (born January 31, 1949 in Heteren, Gelderland) is a Dutch sports journalist and former football player. He played professional football between 1966 and 1978 for five clubs: Go Ahead Eagles, Cambuur Leeuwarden, BV Veendam, HFC Haarlem and MVV Maastricht. During and after his active career he became well-known as a sports journalist, specialising in football (soccer). He is the current editor-in-chief of Voetbal International, the country's most prominent football magazine. He is also a television football pundit on RTL7's Voetbal International.

He was born in Heteren, Gelderland was born into a right wing Protestant Christian family. Derksen describes his father as a very strict policeman both professionally and at home. Ever since he was he child he wanted to become a drummer. Derksen, who was an only child, stated his father wanted him to become a footballer instead of choosing the uncertain life of a musician. He played at the local team SDOO Heteren at the time. His family moved to Drenthe when he was a teenager. There he played for amateur soccer clubs Nieuw-Buinen and Rolder Boys before moving to Deventer to join the youth academy of Go Ahead Eagles.