Karel Poborský (born March 30, 1972 in Třeboň) is a Czech footballer, who is the all-time leader in appearances for the Czech national team.

On 18 August 2004, he became the first Czech to reach 100 appearances in a scoreless draw against Greece in Prague. His international career has spanned the entire history of the Czech Republic team, as he earned his first cap in the Czech Republic's first match as a separate entity from the former Czechoslovakia, a 4-1 win over Turkey on 23 February 1994.

Poborský has played for Slavia Prague, Manchester United, Benfica and Lazio. He played for his country at Euro 96, Euro 2000, and Euro 2004.