Aruba sent a delegation to compete at the 2004 Summer Olympics in Athens, Greece from 13 to 29 August 2004. The delegation's participation in the Athens Olympics marked Aruba's fifth appearance at the Summer Olympics since the Dutch colony's debut at the 1988 Summer Olympics in Seoul, South Korea. Four athletes competed across three sports. None of the track or swimming athletes advanced past the first round in their events, and as of Athens, no Arubans had medaled in any events. Roshendra Vrolijk bore Aruba's flag at the ceremonies.
Malin Therese Alshammar is a Swedish swimmer who has won three Olympic medals, 25 World Championship medals, and 43 European Championship medals. She is a specialist in short distances races in freestyle and butterfly. She is coached by former Swedish swimmer Johan Wallberg. She is the first female swimmer and the third overall to participate in six Olympic Games.
Doli Akhter, born 15 January 1986, is an Olympic swimmer from Bangladesh.
Alia Shanee Atkinson, OD is a retired Jamaican swimmer and five time Olympian. At the 2012 Summer Olympics, she became the second Jamaican swimmer to place in the top four at an Olympics Games, finishing fourth in the 100-metre breaststroke. In 2014, she became the second woman to swim a 1:02.36 in the short course 100-metre breaststroke tying the world record in the event. In 2016, Atkinson set a new world record in the short course 50-metre breaststroke. Two years later, in 2018, she set a new world record in the short course 50-metre breaststroke for the second time. She was the first Afro-Jamaican to win a world title in swimming.
Rūta Meilutytė is a retired Lithuanian swimmer, Olympic gold medalist, and world record-holder. She is the current world record holder in the 100 metre breaststroke.
Agnese Ozoliņa is a Latvian former swimmer, who specialized in sprint freestyle events. She is a three-time Olympian, a multiple-time Latvian and Baltic record holder, and a seven-time All-North Coast Atlantic Conference swimmer. She is also a varsity swimmer for the Kenyon Ladies, and an economics graduate at Kenyon College in Gambier, Ohio.
Sarah Paton is an Australian former swimmer who specialized in long-distance freestyle events. She is the sister of swimmer Siobhan Paton, who won six gold medals at the 2000 Summer Paralympics, and holds 13 world records in S14 category. Paton is also a member of Telopea Swim Club, and is coached and trained by Mark Skimming.
Shim Min-ji is a South Korean former swimmer, who specialized in freestyle and backstroke events. She is a two-time Olympian and a three-time relay medalist at the Asian Games (2002).
Maria Tregubova is a Moldovan former swimmer, who specialized in sprint freestyle events. She is a two-time Olympian and a member of the swimming team for Olimpia Chişinău.
Jakie Kim Wellman is a Zambian swimmer, who specialized in sprint freestyle events. She is a high school graduate of Kelly College in Devon, England, and a member of the swimming team for the Missouri State Bears, while attending the Missouri State University in Springfield, Missouri, United States.
Pilin Tachakittiranan is a Thai former swimmer, who specialized in freestyle and butterfly events. She is a two-time Olympian and a multiple-time age-group record holder in all freestyle distances. Regarded as Thailand's top female swimmer, she has won a total of five gold medals at the Southeast Asian Games.
Íris Edda Heimisdóttir is an Icelandic former swimmer, who specialized in breaststroke events. She is a two-time Olympian, and a former Icelandic record holder in the 100 and 200 m breaststroke.
Tânia Anacleto Gregório was a Mozambican former swimmer, who specialized in sprint freestyle events. She represented Mozambique at the 2000 Summer Olympics, and also held numerous national records in a sprint freestyle double.
Alisa Yuzy Khaleyeva is an Azerbaijani former swimmer, who specialized in sprint freestyle events. Khaleyeva competed for Azerbaijan in the women's 50 m freestyle at the 2000 Summer Olympics in Sydney. She received a ticket from FINA, under a Universality program, in an entry time of 28.00. She challenged seven other swimmers in heat three, including Nigeria's top favorite Ngozi Monu and Aruba's 15-year-old teen Roshendra Vrolijk. Entering the race with a fastest-seeded time, Khaleyeva scorched the field effortlessly with a powerful pace, but fell short to third seed in 28.79, almost six-tenths of a second (0.60) behind the leader Monu. Khaleyeva failed to advance into the semifinals, as she placed fifty-ninth overall out of 74 swimmers in the prelims.
Sherri Malaika Ayesha Henry is a retired Saint Lucian swimmer, who specialized in sprint freestyle events. Henry became one of the first ever swimmers alongside Jamie Peterkin to represent Saint Lucia at the 2000 Summer Olympics.
Mbolatiana Ramanisa is a Malagasy former swimmer, who specialized in sprint freestyle events. Ramanisa competed for Madagascar in the women's 50 meter freestyle at the 2000 Summer Olympics in Sydney. She received a ticket from FINA, under a Universality program, in an entry time of 28.54. She challenged seven other swimmers in heat three, including Nigeria's top favorite Ngozi Monu and Aruba's 15-year-old Roshendra Vrolijk. She faded down the stretch with enough quick pace to post a fifth-place time of 29.20, exactly a single second behind leader Monu. Ramanisa failed to advance into the semifinals, as she placed sixty-first overall out of 74 swimmers in the preliminary events.
Francilla Agar is a Dominican former swimmer, who specialized in sprint freestyle events. She is the sister of sprinter Steve Agar. Agar competed for Dominica in the women's 50 m freestyle at the 2000 Summer Olympics in Sydney. She received a ticket from FINA, under a Universality program, in an entry time of 29.90. She challenged seven other swimmers in heat three, including Nigeria's top favorite Ngozi Monu and Aruba's 15-year-old teen Roshendra Vrolijk. She rounded out the field to last place in 32.22, more than two seconds below her entry standard. Agar failed to advance into the semifinals, as she placed sixty-eighth overall out of 74 swimmers in the prelims.
Hem Raksmey is a Cambodian former swimmer, who specialized in sprint freestyle and breaststroke events. She represented Cambodia in two editions of the Olympic Games, and also held numerous age group records in all strokes. She also shared a sibling tandem together with her brother Hem Kiry, when they both competed at the 2000 Summer Olympics.
Nazlati Mohamed Andhumdine is a Comorian swimmer specializing in freestyle.
Allyson Roxanne Ponson is an Aruban swimmer. She holds the national record in 50 and 100 metre freestyle and 50 metre backstroke. In 2011, she was named Aruban Athlete of the Year. She placed 45th in the 50 metre freestyle event at the 2016 Summer Olympics held in Rio de Janeiro, Brazil.
Aruba 