Yemen competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004.
Yemen sent a delegation to compete at the 2000 Summer Olympics in Sydney, Australia from 15 September to 1 October 2000. This was their third appearance at a Summer Olympic Games as a unified country. The Yemeni delegation consisted of two track and field athletes, Basheer Al-Khewani and Hana Ali Saleh. Neither advanced beyond the first round of their respective events.
Yemen has only competed at the Summer Olympic Games, sending athletes to every edition since its first participation in 1992. Before the Yemeni unification in 1990, Yemenite athletes had competed at the Games as early as 1984, representing North Yemen or South Yemen. Yemen has not yet won any Olympic medal.
Yemen competed at the 2010 Summer Youth Olympics, the inaugural Youth Olympic Games, held in Singapore from 14 August to 26 August 2010.
Yemen competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's sixth consecutive appearance at the Olympics since its reunification in 1990.
During the Parade of Nations portion of the 1988 Summer Olympics opening ceremony, athletes from each country participating in the Olympics paraded in the arena, preceded by their flag. The flag was borne by a sportsperson from that country chosen either by the National Olympic Committee or by the athletes themselves to represent their country.
Tameem Mohammed Ahmed Al-Kubati is a Yemeni taekwondo practitioner.
Akram Ahmed Abdullah Al-Noor is a retired Yemeni taekwondo practitioner. Al-Noor qualified for the Yemeni squad, as a 16-year-old teen, in the men's flyweight category (58 kg) at the 2004 Summer Olympics in Athens by receiving a berth from the World Olympic Qualifying Tournament in Paris, France. He lost the preliminary round of sixteen match to Ukraine's Oleksandr Shaposhnyk with a default score of 5–7. Al-Noor was also appointed as the Yemeni flag bearer by the National Olympic Committee in the opening ceremony.
During the parade of nations portion of the 1984 Summer Olympics opening ceremony, athletes from each country participating in the Olympics paraded in the arena, preceded by their flag. The flag was borne by a sportsperson from that country chosen either by the National Olympic Committee or by the athletes themselves to represent their country.
Yemen competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's seventh consecutive appearance at the Summer Olympics, since its reunification in 1990.
North Yemen (1984–1988)
South Yemen (1988)