The Indian Ocean Island Games is a quadrennial multi-sport event from Indian Ocean island nations. The Games was created by the International Olympic Committee (IOC) in 1977 and currently gather the island nations and territories of Mauritius, Seychelles, Comoros, Madagascar, Mayotte, Réunion and the Maldives. The number of athletes who participate has increased over the years, it went from 1000 athletes in 1979 to over 1500 participants in 2003 and 2007 and over 2000 participants in 2019.
Comoros sent a delegation to compete at the 2000 Summer Olympics in Sydney, Australia from 15 September to 1 October 2000. This was the Indian Ocean nation's second appearance at a Summer Olympic Games, following their debut four years earlier at the 1996 Atlanta Olympics. The delegation consisted of two track and field athletes: Hadhari Djaffar and Sandjema Batouli. Both raced in the 100 meters events, but neither advanced beyond the first round.
Guinea-Bissau has sent athletes to every Summer Olympic Games held since 1996, although the country has never won an Olympic medal. No athletes from Guinea-Bissau have competed in any Winter Olympic Games.
The Bahamas first participated at the Olympic Games in 1952, and has sent athletes to compete in every Summer Olympic Games since then, except when they participated in the American-led boycott of the 1980 Summer Olympics. The nation has never participated in any Winter Olympic Games.
Suriname first participated at the Olympic Games in 1960, and has sent athletes to compete in most Summer Olympic Games since then. The nation missed the 1964 Games, and also participated in the American-led boycott of the 1980 Summer Olympics. Suriname has never participated in the Winter Olympic Games. Surinamese athletes have won two medals at the summer Olympic games.
Tanzania first participated at the Olympic Games in 1964, and has sent athletes to compete in every Summer Olympic Games except for the boycotted 1976 Games and has never participated in the Winter Olympic Games.
The Republic of the Congo, competing as Congo, first participated at the Olympic Games in 1964, and has sent athletes to compete in most Summer Olympic Games since then. Congo missed the 1968 Games and boycotted the 1976 Games along with most other African nations. Congo has never participated in the Winter Olympic Games.
Belize first participated at the Olympic Games in 1968 and has sent athletes to compete in every Summer Olympic Games since then, except when they participated in the American-led boycott of the 1980 Summer Olympics. The nation has never participated in the Winter Olympic Games. From 1968 to 1972, Belize was known by its colonial name of British Honduras.
The Democratic Republic of the Congo first participated at the Olympic Games in 1968, when it was known as Congo Kinshasa. The nation's next Olympic appearance was sixteen years later in 1984, when it was known as Zaire. The nation has sent athletes to compete in every Summer Olympic Games since then, but has never participated in the Winter Olympic Games. By the 2000 Games, the nation was once again designated Democratic Republic of the Congo.
Monaco first participated at the Olympic Games in 1920, and has sent athletes to compete in most Summer Olympic Games since then, missing only the 1932 Games, the 1956 Games, and the boycotted 1980 Games. Monaco has also participated in every Winter Olympic Games since 1984.
Myanmar, then competing as Burma, first participated at the Olympic Games in 1948, and has sent athletes to compete in every Summer Olympic Games since then, except for the 1976 Games. The nation has never participated in the Winter Olympic Games. Since the 1992 Games, the nation has been designated as Myanmar in Olympic competition.
Lesotho first participated at the Olympic Games in 1972 and has sent athletes to compete in every Summer Olympic Games since then, except when they boycotted the 1976 Summer Olympics along with most other African nations. Lesotho has never participated in the Winter Olympic Games.
The Maldives first participated at the Olympic Games in 1988. It has sent athletes to compete in every Summer Olympic Games since, but has not participated in the Winter Olympic Games.
Sudan first participated at the Olympic Games in 1960, and has sent athletes to compete in most Summer Olympic Games since then. The nation did not attend the 1964 Games, boycotted the 1976 Summer Olympics along with most African nations, and participated in the American-led boycott of the 1980 Summer Olympics. The nation has never participated in the Winter Olympic Games.
Seychelles first participated at the Olympic Games in 1980, and has sent athletes to compete in most Summer Olympic Games since then, missing only the 1988 Games when Seychelles did not respond to the invitation sent by the IOC. The nation has never participated in the Winter Olympic Games.
Equatorial Guinea first participated at the Olympic Games in 1984, and has sent athletes to compete in every Summer Olympic Games since then. The nation has never participated in the Winter Olympic Games.
The National Olympic Committee for Vanuatu was created in 1987 and recognized by the International Olympic Committee that same year. Vanuatu first participated at the Olympic Games in 1988 and has sent athletes to compete in every Summer Olympic Games since then. The nation has never participated in the Winter Olympic Games.
Comoros took part in the 2008 Summer Olympics, held in Beijing, China from 8 to 24 August 2008. It was Comoros's fourth appearance in the summer Olympics since its debut in 1996. The Comoros team included three athletes: runners Mhadjou Youssouf and Feta Ahamada, and swimmer Mohamed Attoumane. Ahamada, a 100 metres sprinter, was the flag bearer for the opening ceremony, the first woman to be given the honour. None of the Comoros athletes progressed further than the qualifying heats.
Comoros made its Paralympic Games debut at the 2012 Summer Paralympics in London, sending one representative to compete in swimming.
Comoros 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, due to the COVID-19 pandemic. It was the nation's seventh consecutive appearance at the Summer Olympics.
