Antigua and Barbuda competed at the 2004 Summer Olympics in Athens, Greece from 13 to 29 August 2004.
Daniel Bakka Everton Bailey is a sprinter from Antigua and Barbuda who specializes in the 100m.
Brendan Kyle Akeem Christian is a sprinter from Antigua and Barbuda who specializes in the 200 metres. Born in Antigua, he is the son of Donald Christian who competed in the 1976 Summer Olympics in Montreal as a cyclist. His personal best 100 metres time is 10.09 seconds, achieved in June 2009 in Nivelles. He is also a holder of the Antiguan and Barbudan record in 4 x 100 metres relay with 39.90 seconds.
The Solomon Islands send a team to compete at the 2008 Summer Olympics in Beijing, China. The country's delegation consisted of three athletes competing in two sports across three distinct events; Francis Manioru and Pauline Kwalea represented the Solomon Islands in track, while Wendy Hale competed in weightlifting. The arrival of the Solomon Islander delegation in Beijing marked its seventh appearance since its debut at the 1984 Summer Olympics in Los Angeles. The track athletes did not advance past the first rounds in their events. There were no medalists from the Solomon Islander athletes in these Games. Wendy Hale was the Solomon Islands' flagbearer during the Games' opening ceremony.
Antigua and Barbuda competed at the 2008 Summer Olympics in Beijing, China, submitting a delegation that included athletes Daniel Bailey, Brendan Christian, James Grayman, and Sonia Williams in track and field events, and Kareem Valentine in swimming. Antigua and Barbuda's appearance in Beijing marked its eighth appearance at the Summer Olympics since the nation's debut at the 1976 Summer Olympics in Montréal, Canada. There were no medalists from Antigua and Barbuda in 2008, although Bailey reached the quarterfinals and Christian the semifinals of their respective events.
The Saint Kitts and Nevis National Olympic Committee sent four athletes to the 2008 Summer Olympics in Beijing, China. All four participated in the track and field competitions across four different events. Three women and one man comprised the Kittitian delegation. Williams and Ponteen did not advance past Qualifications in their events; Hodge reached quarterfinals in both the 100m and 200m sprints; and Collins, who participated in two events, reached the Semifinal round in the 100m sprint, and ranked sixth in the finals in the 200m sprint. Saint Kitts and Nevis did not win any medals during the Beijing Olympics. The flag bearer for the team at the opening ceremony was first-time Olympian Virgil Hodge.
Trinidad and Tobago sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. Its participation in the Beijing games marked its eighteenth Olympic appearance and fifteenth Summer Olympic appearance since its debut at the 1948 Summer Olympics in London, excluding its joint participation with Jamaica and Barbados in 1960 as the West Indies Federation. With 28 athletes, more Trinidadians had competed at the Olympics than in any other single Olympic Games in its history before Beijing. Athletes representing Trinidad and Tobago advanced past the preliminary or qualification rounds in twelve events and reached the final rounds in four of those events. Of those four events, silver medals were won in the men's 100 meters and in the men's 4x100 meters relay. The latter was upgraded to gold due to one member of the quartet that crossed the line first, Nesta Carter, testing positive for a banned substance, resulting in their disqualification. The nation's flag bearer at the opening ceremony that year was swimmer and Athens medalist George Bovell.
Antigua and Barbuda competed at the 2011 Pan American Games in Guadalajara, Mexico from October 14 through October 30, 2011. The Chef de Mission of the team was Daryll S Matthew. Antigua and Barbuda's final team consisted of seven athletes in three sports.
Amy Melissa Harris-Willock is an English long jumper of Antiguan descent competing as Amy Harris, and a former titleholder of the pageant Miss Caribbean UK.
Antigua and Barbuda competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's ninth appearance at the Summer Olympics.
Antigua and Barbuda competed at the 2011 World Championships in Athletics from August 27 to September 4 in Daegu, South Korea. A team of 2 athletes was announced to represent the country in the event. Sprinter Daniel “Bakka” Bailey finished 5th at the last world championships 100 m event.
Antigua and Barbuda participated in the 2011 Commonwealth Youth Games in Isle of Man from 7 to 13 September 2011. The Caribbean nation sent a six-member group to compete in only two sports, athletics and swimming, of the seven sport event.
Afia Neliah Charles is a sprinter from Antigua and Barbuda who specializes in the 400 metre dash.
Antigua and Barbuda made its Paralympic Games debut at the 2012 Summer Paralympics in London, United Kingdom, from August 29 to September 9, 2012.
Antigua and Barbuda competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's tenth appearance at the Summer Olympics.
Miguel Francis is a sprinter born in Montserrat, a British overseas territory, who as of 5 April 2017 represents Great Britain internationally. Francis, a resident of Antigua and Barbuda following his evacuation from Montserrat at just 6 months old, competed for that nation prior to April 2017. He competed for that country in the 200 metres at the 2015 World Championships in Beijing narrowly missing the final.
Monica Stevens is an Antigua and Barbuda sprinter. She competed in the women's 4 × 400 metres relay at the 1984 Summer Olympics. She is among only 65 Olympians to compete from Antigua and Barbuda.
Antigua and Barbuda competed at the 2018 Commonwealth Games in the Gold Coast, Australia from 4 to 15 April 2018. It was Antigua and Barbua's 10th appearance at the Commonwealth Games.
Antigua and Barbuda competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's eleventh appearance at the Summer Olympics.
Joella Lloyd is an athlete from Antigua and Barbuda who holds the national record in both the 100 metres and 200 metres sprint events.
Antigua and Barbuda 
