Ecuador at the 2000 Summer Olympics

Ecuador competed at the 2000 Summer Olympics in Sydney, Australia. Since it first participated in the 1924 Summer Olympics in Paris, this was the nation's ninth consecutive appearance at the Olympics.

This was the nation's tenth consecutive appearance at the Olympics. It had first competed at the 1924 Summer Olympics in Paris.

Jefferson Pérez, who won a gold medal at the 1996 Summer Olympics, won 4th place in the 20km walk.

Athletics
Men's Marathon
 * Silvio Guerra
 * Final – 2:16.27 (→ 14th place)

Men's 20 km Road Walk
 * Jefferson Pérez
 * Final – 1:20.18 (→ 4th place)

Women's Marathon
 * Martha Tenorio
 * Final – 2:33.54 (→ 25th place)

Judo
Men's Extra-Lightweight
 * Juan Barahona
 * Round One – Bye
 * Round Two – Lost to Gheorghe Kurgheleasvili (MDA)

Women's Heavyweight
 * Carmen Chalá
 * Round One – Lost to Colleen Rosensteel (USA)

Shooting
Women's Air Pistol, 10 metres
 * Carmen Malo
 * 21st place (tied)

Swimming
Men's 50m Freestyle
 * Julio Santos
 * Preliminary Heat – 22.83 (→ did not advance, 19th place)

Men's 100m Freestyle
 * Felipe Delgado
 * Preliminary Heat – 52.78 (→ did not advance, 56th place)

Men's 100m Butterfly
 * Roberto Delgado
 * Preliminary Heat – 56.07 (→ did not advance, 46th place)

Men's 200m Butterfly
 * Roberto Delgado
 * Preliminary Heat – 02:08.18 (→ did not advance, 43rd place)

Weightlifting
Men