Georgia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Georgian National Olympic Committee (GNOC) sent the nation's smallest delegation to the Games since the post-Soviet era. A total of 32 athletes, 26 men and 6 women, competed in 10 different sports.
Finland competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Finnish athletes have competed at every Olympic Games since its debut in 1908. The Finnish Olympic Committee sent the nation's smallest ever team to the Games after the 1932 Summer Olympics in Los Angeles. A total of 53 athletes, 36 men and 17 women, competed only in 12 sports; the nation's team size was roughly denser from Sydney by a quarter of the athletes.
Israel competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. It was the nation's thirteenth appearance at the Summer Olympics.
Slovenia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fourth consecutive appearance at the Summer Olympics since the post-Yugoslav era. The Slovenian Olympic Committee sent the nation's largest ever delegation to the Games in Olympic history. A total of 79 athletes, 56 men and 23 women, competed in 10 sports. For the second consecutive time, men's handball was the only team-based sport in which Slovenia had its representation at these Games.
Norway competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's twenty-fourth appearance at the Summer Olympics, except for the 1904 Summer Olympics in St. Louis, and the 1980 Summer Olympics in Moscow, due to the country's support of the United States boycott. With the absence of women's football and handball teams, Norwegian Olympic and Paralympic Committee and Confederation of Sports sent the nation's smallest delegation to the Games since the 1968 Summer Olympics in Mexico City. A total of 53 athletes, 36 men and 17 women, competed only in 12 different sports. There was only a single competitor in badminton, swimming, taekwondo, weightlifting, and wrestling.
Singapore competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's thirteenth appearance at the Olympics, except for two different editions. Singapore was part of the Malaysian team at the 1964 Summer Olympics in Tokyo, but did not attend at the 1980 Summer Olympics in Moscow, because of its support for the United States boycott.
Thailand competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's thirteenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of its partial support to the United States boycott.
Jamaica competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fourteenth appearance at the Summer Olympics as an independent nation, although it had previously appeared in the first four editions as a British colony, and as part of the West Indies Federation. The Jamaica Olympic Association sent a total of 47 athletes to the Games, 22 men and 25 women, to compete only in track and field, badminton, shooting, and swimming. For the second consecutive time in Olympic history, Jamaica was represented again by more female than male athletes.
Malta competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's thirteenth appearance at the Olympics since its debut in 1928.
Latvia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's eighth appearance at the Summer Olympics.
Slovakia competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's third consecutive appearance at the Summer Olympics since the post-Czechoslovak era. The Slovak Olympic Committee sent a total of 64 athletes to the Games, 48 men and 16 women, to compete in 11 sports. There was only a single competitor in artistic and trampoline gymnastics and sailing.
Trinidad and Tobago competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's sixteenth appearance at the Summer Olympics as an independent nation, although it had previously appeared in four editions as part of the British colony and the West Indies Federation. Trinidad and Tobago Olympic Committee sent a total of nineteen athletes to the Games, ten men and nine women, to compete only in track and field, shooting, swimming, and taekwondo, which made its Olympic debut; the nation's team size was relatively similar to the record in Sydney four years earlier.
Kyrgyzstan competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's third appearance at the Olympics in the post-Soviet era.
Barbados competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This nation marked its ninth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of the United States boycott.
Zimbabwe competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's seventh consecutive appearance at the Olympics, after gaining its independence from the former Rhodesia.
Uganda competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's twelfth appearance at the Olympics, except the 1976 Summer Olympics in Montreal, because of the African boycott. The Ugandan Olympic Committee sent a total of eleven athletes to the Games, nine men and two women, to compete in four different sports. Half of these athletes had been participating in boxing, including Joseph Lubega, who later became the nation's flag bearer in the opening ceremony. There was only a single competitor in swimming and weightlifting.
Moldova competed at the 2004 Summer Olympics in Athens, from 13 to 29 August 2004. This was the nation's third consecutive appearance at the Summer Olympics in the post-Soviet era.
North Korea competed as the Democratic People's Republic of Korea at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's seventh appearance at the Olympics since its debut in 1972. North Korean athletes did not attend the 1984 Summer Olympics in Los Angeles, when they joined the Soviet boycott, and subsequently, led a boycott at the 1988 Summer Olympics in Seoul, along with six other nations.
The United Arab Emirates participated at the 2008 Summer Olympics in Beijing, China, which were held from 8 to 24 August 2008. The country's participation at the Beijing Olympics marked its seventh appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation sent by the United Arab Emirates National Olympic Committee consisted of eight athletes in seven sports: athletics, equestrian, judo, sailing, shooting, swimming and taekwondo. Two of the eight athletes were women, making Beijing the first time the country had sent female athletes to a Summer Olympiad, and most of their athletes qualified for the Games by using a wild card or receiving an invitation from the Tripartite Commission. The country did not win any medals at the Games; the best performance of the delegation was from sport shooter Ahmad Al-Makotum, who placed seventh in the qualification round of the men's double trap and lost a subsequent four-man shoot-out.
United Arab Emirates competed at the 2016 Summer Olympics in Rio de Janeiro, from 5 to 21 August 2016. This was the nation's ninth consecutive appearance at the Summer Olympics.
