Serhiy Mykolaiovych Advena is a Ukrainian former swimmer who specializes in the freestyle and butterfly swimming styles. He is a two-time Olympian, and a multiple-time Ukrainian record holder in both 100 and 200 m butterfly. He also helped out the Ukrainian team to upset their American rivals and claim the medley relay title (3:38.49) at the 2005 Summer Universiade in Izmir, Turkey.
Sergey Pankov is an Uzbek swimmer, who specialized in backstroke and butterfly events. He won a bronze medal in the 200 m backstroke at the 2006 Asian Swimming Championships in Singapore, and had achieved an eighth-place finish in the same discipline at the 2010 Asian Games in Guangzhou, China.
Donny Budiarto Utomo is an Indonesian swimmer, who specialized in butterfly events. He is a former multiple-time national record holder for the men's butterfly, and a six-time medalist at the Southeast Asian Games. He is also a two-time defending champion for the 200 m butterfly, before losing out to Malaysia's Daniel Bego at the 2007 Southeast Asian Games in Bangkok, Thailand.
Michal Rubáček is a Czech swimmer, who specialized in butterfly events. He is a two-time Olympian, and a multiple-time Czech national record holder for the butterfly events.
Nathaniel O'Brien is a Canadian competition swimmer who specialized in backstroke and butterfly events. He is a two-time national championship titleholder, and also, a member of the Pacific Coast Swimming Club in Victoria, British Columbia, under head coach and former Olympic swimmer Ron Jacks. O'Brien is the son of former swimmer Lisa Geary, who competed for the host nation Canada, and placed tenth in the women's 800-metre freestyle at the 1976 Summer Olympics in Montreal.
Viktor Bodrogi is a Hungarian former swimmer, who specialized in backstroke and butterfly events. He is a two-time Olympian, a five-time All-American honoree, and a multiple-time Hungarian title and record holder in both backstroke and butterfly. He also defended two titles in the same stroke at the 2000 and 2001 European Junior Swimming Championships in Dunkerque, France, and in Valletta, Malta, respectively. Bodrogi is a former varsity swimmer for the USC Trojans under head coach Dave Salo, and a graduate of history and social sciences at the University of Southern California in Los Angeles.
Dávid Kolozár is a Hungarian former swimmer who specialized in butterfly events. He is a former varsity swimmer for the Arizona State Sun Devils, and a graduate of tourism and business at the Arizona State University in Tempe, Arizona.
Jeong Doo-hee is a South Korean former swimmer, who specialized in butterfly events. He represented his nation South Korea at the 2004 Summer Olympics, and shared silver medals with Park Seon-kwan, Choi Kyu-woong, and Park Tae-hwan in the 4×100 m medley relay at the 2010 Asian Games in Guangzhou, China.
Juan Pablo Valdivieso is a Peruvian former swimmer, who specialized in butterfly events. Valdivieso holds a dual citizenship between his parents' nation Peru and the United States, where he currently resides. He is also influenced by his grandfather Juan Valdivieso, who played for Peru's soccer team at the 1936 Summer Olympics in Berlin.
Han Kyu-chul is a South Korean former swimmer, who specialized in freestyle, butterfly, and individual medley events. He is a two-time Olympian, and an eight-time bronze medalist at the Asian Games.
Paulius Andrijauskas is a Lithuanian swimmer, who specialized in butterfly events. He currently holds two Lithuanian records in the 200 m butterfly (2:01.98), and 4×200 m freestyle relay (7:25.37) from the 2007 FINA World Championships in Melbourne, Australia.
Aleksandar Miladinovski is a Macedonian former swimmer, who specialized in butterfly and individual medley events. He represented the Republic of Macedonia in two editions of the Olympic Games, and held five Macedonian records in the butterfly and individual medley.
Zoran Lazarovski is a Macedonian former swimmer, who specialized in butterfly events. He is a two-time Olympian, and a former Macedonian record holder in the 200 m butterfly.
Vesna Stojanovska is a Macedonian former swimmer, who specialized in freestyle and butterfly events. She is a two-time Olympian, and holds multiple age-group records in 200 and 400 m freestyle, and in 50, 100, and 200 m butterfly. Regarded as one of Macedonia's top swimmers, Stojanovska has earned All-American honors and numerous Atlantic Coast Conference titles in her own discipline while studying in the United States.
Sandy Chan Wing-suet is a Hong Kong former swimmer, who specialized in butterfly events. She is a two-time Olympian and a double finalist at the Asian Games (2002).
Aghiles Slimani is an Algerian former swimmer, who specialized in butterfly events. Slimani qualified for two swimming events at the 2004 Summer Olympics in Athens, by posting FINA B-standard entry times of 55.40 and 2:03.18 from the World Championships in Barcelona, Spain. In the 200 m butterfly, Slimani challenged seven other swimmers in heat two, including Olympic veteran Vladan Marković of Serbia. He raced to sixth place and thirty-first overall by 0.16 of a second behind Markovic in 2:04.93. In his second event, 100 m butterfly, Slimani placed forty-eighth on the morning's preliminaries. Swimming in heat three, he edged out Turkey's Onur Uras to take a seventh seed by fifteen hundredths of a second (0.15) in 56.22.
Yeh Tzu-cheng is a Taiwanese swimmer, who specialized in butterfly events. Yeh qualified for the men's 200 m butterfly at the 2004 Summer Olympics in Athens, by posting a FINA B-standard entry time of 2:03.28 from the National University Games in Taipei. He challenged seven other swimmers in heat two, including four-time Olympian Vladan Marković of Serbia and Montenegro. He rounded out the field to last place by a 6.39-second margin behind winner Nathaniel O'Brien of Canada in 2:06.41. Yeh failed to advance into the semifinals, as he placed thirty-sixth overall in the preliminaries.
Bertrand Bristol is a Seychellois former swimmer, who specialized in butterfly events. Bristol qualified for the men's 200 m butterfly at the 2004 Summer Olympics in Athens, by receiving a Universality place from FINA, in an entry time of 2:09.68. He challenged six other swimmers in heat one, including 15-year-old Sergey Pankov of Uzbekistan. He set a Seychellois record of 2:09.07 to edge out Pankov for a sixth spot by nearly four seconds. Bristol failed to advance into the semifinals, as he placed thirty-eighth overall in the preliminaries.
Albert Christiadi Sutanto is an Indonesian former swimmer, who specialized in butterfly and medley events. He is a two-time Olympian, and multi medalist 9 Gold 5 Silver and 16 Bronze at the Southeast Asian Games.
Josef Horký is a Czech former swimmer, who specialized in freestyle, butterfly, and individual medley events. He is a two-time Olympian, a semifinalist in the 200 m butterfly at the European Championships (2002), and a member of Kometa Brno under his head coach Ondřej Butir.
Honduras 