Kenneth King-him To was a Hong Kong Australian swimmer who practised individual medley, freestyle, butterfly and breaststroke. He won 6 medals at the 2010 Summer Youth Olympics, was the male overall winner of the 2012 FINA Swimming World Cup and was a World Championships silver medallist. He was the holder of 16 Hong Kong national swimming records.
Daniel William Henry "Danny" Wong Bego, OLY is a Malaysian swimmer, who specialises in freestyle and butterfly events. He emerged as one of Malaysia's most promising and outstanding swimmers, winning a total of fifteen medals at the Southeast Asian Games, and breaking six national records. He was the first Malaysian swimmer to compete in three different events at a single Olympic Games.
Sergio Andrés Ferreyra is an Argentine former swimmer, who specialized in breaststroke events. He is a multiple-time Argentine record holder, and a two-time medalist in the breaststroke at the 2006 South American Games in Buenos Aires. He is also a member of Club Regatas Corrientes, and is coached and trained by Sergio Oscar Sainz.
Ben-Rachmiel Labowitch is a New Zealand former swimmer, who specialized in breaststroke events. Since his mother is a New Zealand citizen, Labowitch claims a dual citizenship which allowed him to try out and make the New Zealand Olympic team. Labowitch is also a former member of North Shore Swim Club under his coach Thomas Ensorg, and a graduate of Drury University in Springfield, Missouri, where he played for the Drury Panthers.
Daniel Tam Chi-kin is a Hong Kong former swimmer, who specialized in breaststroke events. He is a two-time Olympian, and a double finalist in the 100 and 200 m breaststroke at the 2002 Asian Games in Busan, South Korea. Tam is a member of the swimming team for SLA Sports Club, and is trained by an Australian-born coach Anthony Giorgi.
Ratapong "Nuk" Sirisanont is a Thai former swimmer, who specialized in breaststroke, but also competed in long-distance freestyle and individual medley. He is a four-time Olympian, a three-time Asian Games participant, and a seven-time SEA Games athlete (1991–2003). Regarded as Thailand's top swimmer, he has won a total of sixteen medals at the Southeast Asian Games since 1995, and six at the Asian Games, including two golds in the 200 and 400 m individual medley. At the 1996 Summer Olympics in Atlanta, Sirisanont became the first Thai swimmer to reach the final twice. Sirisanont is also one of three Southeast Asian swimmers, along with Malaysia's Alex Lim and Philippines' Miguel Molina, to train for the California Golden Bears in the United States, under head coach Nort Thornton.
Arsenio Alexander López Rosario, also known as Alex Lopez, is a Puerto Rican former swimmer and three-time Olympian who specialized in breaststroke and individual medley events.
Yevgeny Petrashov is a Kyrgyzstani former swimmer, who specialized in breaststroke events. He is a three-time Olympian, and a former Kyrgyzstan record holder in both 100 and 200 m breaststroke.
Richard Sam Bera is a former Indonesian swimmer, who specialized in sprint and middle-distance freestyle events. He is a three-time Olympian, a bronze medalist at the Asian Games (1990), and a twenty-three times SEA Games gold-medalist since his debut in 1987. He is regarded as Indonesia's most successful swimmer in the sporting history. Up until 2015, Bera held several Indonesian and Southeast Asian Games records in sprint freestyle events from the Southeast Asian Games.
Sng Ju Wei is a Singaporean former swimmer, who specialized in sprint and middle-distance freestyle events. He is a two-time Olympian, and a triple medalist at the 2001 Southeast Asian Games. Sng also trained for the Aquatic Performance Swim Club in Singapore district, under head coach Jin Xia Li.
Dulyarit "Goh" Phuangthong is a Thai former professional swimmer who specialized in backstroke, butterfly and individual medley events. He is a two-time Olympian, a finalist in the 100m backstroke at the 2002 Asian Games, and a multiple-time medalist at the Southeast Asian Games since his debut in 1995.
Brett Petersen is a South African former swimmer, who specialised in breaststroke events. He won a gold medal in the 100 m breaststroke at the 1999 All-Africa Games, and later became a top 8 finalist in the same distance at the 2000 Summer Olympics. While studying in the United States, Petersen was part of the 200-yard medley relay team that claimed a top finish at the 1998 Atlantic Coast Conference Swimming Championships. Petersen also played for the Florida State Seminoles swimming and diving team under head coach Neil Harper, and later became a graduate of management information systems at the Florida State University in Tallahassee, Florida.
Aleksandr Tkachev is a Russian-born Kyrgyzstani former swimmer, who specialized in breaststroke events. He collected a total of three medals, one gold and two silver, at the Universiade, and later represented his adopted nation Kyrgyzstan at the 2000 Summer Olympics.
Muhammad Akbar Nasution is an Indonesian former swimmer, who specialised in breaststroke, but also competed in long-distance freestyle and individual medley. Starting as a 17-year-old appearing at the 2000 Summer Olympics, Nasution is considered one of Indonesia's top-ranked swimmers in his decade. He has won a total of six medals from the Southeast Asian Games since 2001 and has held numerous Indonesian records in long-distance freestyle and in individual medley. At the peak of his sporting career, Nasurion has also travelled extensively across Asia, Australia, and the United States to train for world-class swim clubs, and to further focus on his education, including his four-year stay at Chaffey College in Rancho Cucamonga, California.
Huang Chih-yung is a Taiwanese former swimmer, who specialized in sprint freestyle events. He is a two-time Olympian, and a bronze medalist at the 1998 Asian Games.
Elsa Manora Nasution is an Indonesian former swimmer, who specialized in backstroke events. She represented Indonesia at the 2000 Summer Olympics, and later captured a bronze medal in the 100 m backstroke at the 2003 Southeast Asian Games in Hanoi, Vietnam. She is also a third eldest sister of Muhammad Akbar Nasution, an elite breaststroke and medley swimmer, who competed with her at the Olympics as part of the Indonesian squad. Nasution is divorced from her husband Ricky Subagja, a prominent badminton player and 1996 Olympic doubles champion.
Jenny Rose Guerrero is a Filipino former swimmer, who specialized in breaststroke events. She represented the Philippines, as the youngest ever athlete of the squad, at the 2000 Summer Olympics, in Sydney. She won two medals at the 2001 Southeast Asian Games in Kuala Lumpur, and later became a top 8 finalist at the 2002 Asian Games in Busan, South Korea before her official retirement in 2005.
Jonathan Tan is a Singaporean swimmer. He represented Singapore at the 2019 World Aquatics Championships held in Gwangju, South Korea and he finished in 34th place in the heats in the men's 50 metre freestyle event.
Singapore 
