John Patrick O'Brien is a retired American soccer player.
O'Brien was one of the first Americans to earn a starting spot with a major European team, with Ajax Amsterdam in the late 1990s. At the peak of his career, United States national teammate Landon Donovan called O'Brien the "best soccer player in the USA."
With the United States, O'Brien earned his first cap against Austria on April 22, 1998 but was an alternate for the U.S. squad for the 1998 FIFA World Cup. He played in the 2000 Summer Olympics, helping to lead the U.S. to a fourth-place finish. O'Brien became a regular with the senior team under Bruce Arena, and came into his own at the 2002 FIFA World Cup. Playing in defensive midfield, he scored the opener in the 3-2 win over Portugal, assisted on Clint Mathis' goal against South Korea, and played every minute of every game for the United States.
On May 2, 2006, for the second successive time, O'Brien was named to the U.S. roster for the 2006 FIFA World Cup in Germany. On June 12, 2006, he played the second half of the U.S.'s opening game against the Czech Republic, albeit with a nagging injury, which kept him out for the duration of the tournament.
