Argentina competed at the 2000 Summer Olympics in Sydney, Australia.

143 competitors, 98 men and 45 women, took part in 98 events in 21 sports.

[2] Key: Coach: Jorge Ruiz Legend: GP – Games Played; G – Goals; S – Shots; FG – Field Goals; PC – Penalty Corners; PS – Penalty Strokes; Green Cards; Yellow Cards; Red Cards Coach: Sergio Vigil Results from matches against Australia and Spain were carried over from the preliminary round.

Eight men and three women competed in the Sailing competition for Argentina at the 2000 Olympic Games.

Argentina competed in 18 swimming events, 11 men and 7 women, but only advanced out of the preliminary heats in one event.