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.
Wickus Nienaber is a former Swazi swimmer, who specialized in breaststroke events. He is a four-time College Swimmer of the Year, a 2004 Atlantic Coast Conference champion, and owns at least 40 national age group records for the same stroke in Swaziland. He was a member of the swimming team for Florida State Seminoles under his coach Neil Harper, and a graduate with a Doctorate in computer science at the Florida State University in Tallahassee, Florida.
Ahmad Al-Kudmani is a Saudi Arabian former swimmer, who specialized in breaststroke events. He is a two-time Olympian and a multiple-time medalist at the Pan Arab Games.
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.
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.
Jean Luc Razakarivony is a Malagasy former swimmer, who specialized in breaststroke events. He is a three-time Olympian, a multiple-time Malagasy record holder in the 100 and 200 m breaststroke, and a member of Genève Natation 1885, based in Geneva, Switzerland.
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.
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.
Raiko Pachel is an Estonian former swimmer, who specialized in breaststroke events. He is a single-time Olympian (2000), a double Baltic States swimming champion, and a former Estonian record holder in both 100 and 200 m breaststroke. Pachel is also a member of Keila Swim Club in Tallinn under head coach Tõnu Meijel.
Yang Shang-hsuan is a Taiwanese former swimmer, who specialized in breaststroke events. Yang competed only in the men's 100 m breaststroke, as a 16-year-old, at the 2000 Summer Olympics in Sydney. He achieved a FINA B-standard entry time of 1:04.16 from the National University Games in Taipei. He challenged seven other swimmers in heat five, including Israel's top favorite Tal Stricker. He raced to fourth place by more than half a second (0.50) behind winner Stricker in 1:04.54. Yang failed to advance into the semifinals, as he placed fortieth overall on the first day of prelims.
Iván Rodríguez Mesa is a Panamanian former swimmer, who specialized in breaststroke events. He is a single-time Olympian (2000) and a member of the Arizona State Sun Devils swimming and diving team under head coach Mike Chasson.
Valērijs "Val" Kalmikovs is a Latvian former swimmer, who specialized in breaststroke and individual medley events. He is a two-time Olympian and a top 16 finalist in the 200 m breaststroke on his Olympic debut in Atlanta (1996). He still holds a Latvian record in the 200 m breaststroke (2:16.21) that stood for more than a decade. While studying in the United States, Kalmikovs achieved a sixth-fastest of all time in the 200-yard breaststroke at the 2000 NCAA Men's Swimming and Diving Championships. He has also been named a three-time Big-12 Conference Champion and a nine-time All-American, as a member of the University of Nebraska swimming and diving team. Since his sporting career ended in 2004, Kalmikovs has extensively traveled across the United States and Europe, working as a swimming coach. On September 9. 2019 Val became the first Latvian to swim across The English Channel. It took him 11 hours and 13 minutes (6pm-5am) to successfully finish the challenge.
Vadim Tatarov is a Moldovan former swimmer, who specialized in breaststroke events. He is a two-time Olympian, and a former Moldovan record holder in both 100 and 200 m breaststroke.
Joe Kyong-fan is a South Korean former swimmer, who specialized in breaststroke events. Joe competed in a breaststroke double at the 2000 Summer Olympics in Sydney. He achieved FINA B-standards of 1:05.00 and 2:20.20 from the Dong-A Swimming Tournament in Ulsan. In the 100 m breaststroke, held on the first day of the Games, Joe challenged seven other swimmers in heat four, including two-time Olympians Valērijs Kalmikovs of Latvia and Arsenio López of Puerto Rico. He earned a fifth spot and forty-fifth overall by almost seven-tenths of a second (0.70) behind joint winners Kalmikovs and Lopez in 1:04.71, worthy enough for a personal best. Three days later, in the 200 m breaststroke, Joe placed twenty-ninth on the morning prelims. He set a new South Korean record of 2:19.16 to overhaul a 2:20 barrier and to touch the wall first in heat three.
Juan José Madrigal Pacheco is a Costa Rican former swimmer, who specialized in breaststroke events. He is a two-time Olympian, and a Costa Rican former record holder in the 50-, 100-, and 200-m breaststroke.
Sylvain Faure is a Monegasque former swimmer, who specialized in breaststroke events. Faure competed only in the men's 100 m breaststroke at the 2000 Summer Olympics in Sydney. He received a Universality place from FINA, in an entry time of 1:06.50. He challenged six other swimmers in heat two, including two-time Olympians Juan José Madrigal of Costa Rica and Jean Luc Razakarivony of Madagascar. Faure pulled away from the field on the first length, but came up short to second place in a national record of 1:05.51, just 0.37 seconds behind leader Madrigal. Faure failed to advance into the semifinals, as he placed fifty-first overall on the first day of prelims.
Hakan Kiper is a Turkish former swimmer, who specialized in breaststroke events. During his sporting career, he held numerous Turkish championship titles and meet records, and played for Galatasaray Spor Kulübü. Kiper also represented Turkey, as a 27-year-old, at the 2000 Summer Olympics, where he served as the captain of the national swimming team.
Facinet Bangoura is a Guinean former swimmer, who specialized in breaststroke events. Bangoura competed only in the men's 100 m breaststroke at the 2000 Summer Olympics in Sydney. He received a Universality place from FINA, in an entry time of 1:10.00. He challenged six other swimmers in heat two, including two-time Olympians Juan José Madrigal of Costa Rica and Jean Luc Razakarivony of Madagascar. Before the start of his heat, Bangoura immediately jumped into the pool first, and was disqualified for breaking a no false-start rule on the first day of preliminaries.
Antonio Manuel Leon Candia is a Paraguayan former swimmer, who specialized in breaststroke events. During his sporting career, he represented Paraguay, as an eighteen-year-old, at the 2000 Summer Olympics, and in all four editions of the FINA World Championships since 2001. Leon also trained for Deportivo de Puerto Sajonia, under his longtime coach and mentor Roberto Colmán.
Kieran Chan is a Papua New Guinean former swimmer, who specialized in breaststroke events. Chan competed for Papua New Guinea in the men's 100 m breaststroke at the 2000 Summer Olympics in Sydney. He received a Universality place from FINA, in an entry time of 1:14.40. He participated in heat one against two other swimmers Antonio Leon of Paraguay and Joe Atuhaire of Uganda. Diving in with a 0.95-second deficit, Chan enjoyed the race of his life to take only a second seed in a lifetime best of 1:13.34. Chan failed to advance into the semifinals, as he placed sixty-third overall on the first day of prelims.
Bangladesh 
