Venezuela competed at the 2000 Summer Olympics in Sydney, Australia. 50 competitors, 36 men and 14 women, took part in 49 events in 17 sports.
Zimbabwe competed at the 2000 Summer Olympics in Sydney, Australia.
Belarus competed at the 2000 Summer Olympics in Sydney, Australia. 139 competitors, 72 men and 67 women, took part in 109 events in 20 sports. Belarus had its best ever showing both in terms of gold and overall medals at these games. The gold medal result will be later matched in 2008.
Egypt competed at the 2000 Summer Olympics in Sydney, Australia. 89 competitors, 74 men and 15 women, took part in 64 events in 20 sports.
Mauritius competed at the 2000 Summer Olympics in Sydney, Australia.
Cyprus competed at the 2000 Summer Olympics in Sydney, Australia.
Israel competed at the 2000 Summer Olympics in Sydney, Australia. 39 competitors, 29 men and 10 women, took part in 43 events in 9 sports. The delegation of 39 athletes was the biggest at the time, and third-biggest in history, after 2008 with 40 and 2016 with 47.
Morocco competed at the 2000 Summer Olympics in Sydney, Australia.
Malaysia competed at the 2000 Summer Olympics in Sydney, Australia.
Uruguay competed at the 2000 Summer Olympics in Sydney, Australia.
Azerbaijan competed at the 2000 Summer Olympics in Sydney, Australia. They won their first gold medal during these games. 31 competitors, 25 men and 6 women, took part in 14 events in 8 sports.
Algeria competed at the 2000 Summer Olympics in Sydney, Australia. 47 competitors, 37 men and 10 women, took part in 42 events across 10 sports.
Bolivia competed at the 2000 Summer Olympics in Sydney, Australia.
Grenada competed at the 2000 Summer Olympics in Sydney, Australia with two track and field athletes and one swimmer.
Iraq competed at the 2000 Summer Olympics in Sydney, Australia for its tenth appearance, with four athletes representing Iraq in two sports.
Palau competed in the Olympic Games for the first time at the 2000 Summer Olympics in Sydney, Australia.
Ghana competed at the 2000 Summer Olympics in Sydney, Australia.
Haiti competed at the 2000 Summer Olympics in Sydney, Australia. The Haitian team consisted of five competitors: three track and field athletes, one judoka, and one tennis player.
São Tomé and Príncipe competed at the 2000 Summer Olympics in Sydney, Australia, which took place between 15 September to 1 October 2000. The country's participation in Sydney marked its second appearance at the Summer Olympics since its debut in the 1996 Summer Olympics.
Turkmenistan competed at the 2000 Summer Olympics in Sydney, Australia.
