Emma Kimberley Twigg is a New Zealand rower. A single sculler, she was the 2014 world champion and won gold in her fourth Olympics in Tokyo in July 2021. Previous Olympic appearances were in 2008, 2012, and 2016. She has retired from rowing twice, first for master-level studies in Europe in 2015 and then after the 2016 Olympics, disappointed at having narrowly missed an Olympic medal for the second time. After two years off the water, she started training again in 2018 and won silver at the 2019 World Rowing Championships. Since her marriage in 2020, she has become an outspoken advocate for LGBT athletes. At the 2020 Summer Olympics, Twigg won gold in the woman's single scull. At the 2024 Summer Olympics, Twigg won Silver in the same event.
Mohamed Karim Sbihi is a British rower. He is a three-time Olympian and Olympic medal winner. He won a gold medal in the coxless four at 2016 Rio Olympics, and at the 2012 London Olympics he was in the British crew that won the bronze medal in the men's eight. He returned to the eight for the 2020 Tokyo games, again winning bronze.
Mohamed Ali Ahmad Abdelaal is an Egyptian judoka. He competed at the 2016 Summer Olympics in the men's 81 kg event, in which he was eliminated by Khasan Khalmurzaev in the third round.
Sara Ashraf Mohamed Mohamed Baraka is an Egyptian Olympic rower. She represented Egypt in the 2012 Summer Olympics in London. She and teammate Ingy Hassamel Din qualified to compete in the women's lightweight double sculls by winning the event at the African Olympic Qualifier.
Brooke Francis is a New Zealand rower. She has twice won the world championship in the double scull alongside Olivia Loe, is the incumbent world champion, and won a silver medal in this class at the 2020 Tokyo Olympics with rowing partner Hannah Osborne, followed by a gold medal at the 2024 Paris Olympics with Lucy Spoors. As of 2021, she has won ten premier national rowing championships.
Mohamed Abdel Salam Mohamed Abdel Hamid is an Egyptian footballer who plays for Egyptian Premier League side Zamalek SC.
Algeria competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place in the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's debut in 1964, Algerian athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott. Unlike Algeria's previous successes in the Summer Olympics, they failed to secure a single medal.
Djibouti 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. This was the nation's ninth appearance at the Summer Olympics; Djibouti did not field any athletes at the 2004 Summer Olympics in Athens. The delegation consisted of four athletes, three men and one women, competing in five events across three sports. Two athletes participated in the judo and swimming tournaments: Aden-Alexandre Houssein and Houssein Gaber Ibrahim. Athlete Ayanleh Souleiman, a returning competitor from the 2016 Rio Olympics competed in the men's 800 metres and 1500 metres events. Souhra Ali Mohamed, who had previously participated in the 2012 Summer Olympics competed in the women's 1500 metres event. Houssein lead the Djiboutian squad as the flagbearer in the opening ceremony with Souhra being the flagbearer for the closing ceremony.
Ahmed Mohamed Hesham El-Sayed, known as Ahmed Hesham, Ahmed Mohamed, or Ahmed Mohamed Hesham, is an Egyptian handball player who plays for Montpellier Handball and the Egyptian national team. He competed at the 2019 Men's Youth World Handball Championship, where he took the best player award (MVP), as well as the 2020 Summer Olympics.
The Philippines 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. Since the nation's official debut in 1924, Filipino athletes have appeared in every edition of the Summer Olympic Games except the 1980 Summer Olympics in Moscow because of the nation's partial support for the US-led boycott.
Benin 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 twelfth appearance at the Summer Olympics, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott.
Togo 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. Since the nation made its debut in 1972, Togolese athletes participated in every edition of the Summer Olympic Games, except for two occasions, the 1976 Summer Olympics in Montreal, and the 1980 Summer Olympics in Moscow because of the African and the US-led boycotts, respectively.
Nicaragua 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 fourteenth appearance at the Summer Olympics, having competed at every Games since 1968 with the exception of the 1988 Summer Olympics in Seoul because of its partial support of the North Korean boycott.
Nauru 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. The country's participation in Tokyo marked its seventh appearance at the Summer Olympics since its debut in 1996.
Sudan competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place during the summer of 2020, the Games were rescheduled for 23 July to 8 August 2021, due to the COVID-19 pandemic. This was the nation's twelfth appearance at the Summer Olympics.
Avalon Wasteneys is a Canadian rower. Wasteneys's hometown is Campbell River, British Columbia and she resides in Victoria, British Columbia.
Tala Abujbara is a Qatari rower. She competed in the women's single sculls event at the 2020 Summer Olympics.
Abobakr Abass Fadlallah Jalab is a Sudanese swimmer. He represented Sudan at the 2019 World Aquatics Championships in Gwangju, South Korea. He competed in the men's 50 metre freestyle and men's 100 metre breaststroke events.
Mohamed Mohamed, known as Mohamed Mohamed or Mohamed Habib Naser, is a Bahraini handball player for the Al-Najma and Bahraini national team. He competed in the 2020 Summer Olympics.
Asiya Sururu Mohammed, also known as Asiya Mohamed, is a Kenyan para-rower. She made her first Paralympic appearance during the 2020 Summer Paralympics. She is the first Kenyan female rower to compete at the Paralympics.
Sudan 
