The Maldives competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. The delegation's participation in the Athens Olympics marked the Maldives' fifth appearance at the Summer Olympics since their debut at the 1988 Summer Olympics in Seoul, South Korea. Four athletes competed across two sports; Sultan Saeed and Shifana Ali in track and field, and Hassan Mubah and Aminath Rouya Hussain in swimming. None of the track or swimming athletes advanced past the first round in their events, and no Maldivian has won a medal in any events. Sultan Saeed bore the Maldives' flag during the parade of nations of the opening ceremony.
Lebanon competed at the 1980 Summer Olympics in Moscow, USSR. They entered 15 competitors, all men, who took part in 16 events in 8 sports.
The Maldives competed at the 2000 Summer Olympics in Sydney, Australia, from 15 September to 1 October 2000. The delegation's participation in the Sydney Olympics marked the Maldives' fourth appearance at the Summer Olympics since their debut at the 1988 Summer Olympics in Seoul, South Korea. Four athletes competed across two sports; Naseer Ismail and Shamha Ahmed in track and field, and Hassan Mubah and Fariha Fathimath in swimming. Neither advanced past the first round in their respective events, and no Maldivian has won a medal in any events. Naseer Ismail bore the Maldives' flag during the parade of nations of the opening ceremony.
Djibouti took part in the 1988 Summer Olympics which were held in Seoul, South Korea from September 17 to October 2. The country's participation marked its second appearance in the Summer Olympics since its debut at the 1984 Summer games in Los Angeles, United States. The delegation from Djibouti included six athletes, five in athletics and one in sailing. The five athletes for athletics were Hoche Yaya Aden, Ismael Hassan, Talal Omar Abdillahi, Hussein Ahmed Salah, and Omar Moussa while Robleh Ali Adou represented the nation in sailing. Ahmed Salah won the nation's first Olympic medal, which is a bronze at the Men's Marathon event.
Egypt competed at the 1936 Summer Olympics in Berlin, Germany. 53 competitors, all men, took part in 30 events in 10 sports.
Egypt competed at the 1948 Summer Olympics in London, England. 85 competitors, all men, took part in 53 events in 12 sports.
Egypt competed at the 1952 Summer Olympics in Helsinki, Finland. 106 competitors, all men, took part in 65 events in 14 sports.
Hassan El-Kasheef is a retired Sudanese athlete who competed in the sprints distances. He competed in the men's 400 metres at the 1984 Summer Olympics.
Lebanon competed at the 1964 Summer Olympics in Tokyo, Japan. Five competitors, all men, took part in three events in two sports.
Mahmoud Hassan was an Egyptian Greco-Roman Bantamweight wrestler. He competed for Egypt in the 1948 Summer Olympics in London, earning a silver medal behind Kurt Pettersén of Sweden and Halil Kaya of Turkey. He also competed at the 1952 Summer Olympics.
Hassan Rangraz is a former wrestler, coach and sports manager from Iran. He is the head coach of Iran's national wrestling team and the official instructor of the United World Wrestling.
Hassan Habibi is a retired Iranian association football player and manager.
Ibrahim Hassan is a Ghanaian former sprinter who competed in the 1996 Summer Olympics.
Abdelwahab Ferguène is an Algerian former racewalking athlete who competed in the 20 kilometres race walk. Born in Akbou, he twice represented Algeria at the Summer Olympics, 26th in 1984 and 32nd in 1988. He was also a three-time participant at the World Championships in Athletics and a four-time representative at the IAAF World Race Walking Cup. He was a two-time winner of the African Championships in Athletics and won four continental silver medals. He also finished in the top two at the Maghreb Athletics Championships and Arab Athletics Championships throughout his career.
Hassan Hanini is a Moroccan footballer. He competed in the men's tournament at the 1984 Summer Olympics.
Mahmoud Hassan Saleh is an Egyptian footballer. He competed in the men's tournament at the 1984 Summer Olympics.
Hassan Kamal is an Iraqi former footballer. He competed in the men's tournament at the 1988 Summer Olympics, and currently manages Iraq U17.
Abdulaziz Hassan Bujaloof is a Qatari footballer. He competed in the men's tournament at the 1992 Summer Olympics.
Mahmood-ul Hassan was a Pakistani field hockey player. He competed at the 1948 Summer Olympics and the 1952 Summer Olympics.
Hassan Yousry is an Egyptian handball player. He competed in the men's tournament at the 2004 Summer Olympics and at the 2008 Summer Olympics.
Ethiopia 
