At the 1896 Summer Olympics, four swimming events were contested, all for men. They were planned and organized by the Sub-Committee for Nautical Sports. All events took place on 11 April in the Bay of Zea. There was a total of 13 participants from 4 countries competing.
Eugen Stahl Schmidt was a Danish shooter, athlete, and tug of war competitor. He competed at the 1896 Summer Olympics in Athens and at the 1900 Summer Olympics in Paris.
Kurt Wilhelm Doerry was a German track and field athlete. He competed at the 1896 Summer Olympics in Athens and the 1900 Summer Olympics held in Paris.
Kristian Henrik Rudolf Sjöberg was a Swedish athlete, gymnast and medical student. He competed as the only Swedish participant at the 1896 Summer Olympics in Athens.
Dimitrios Tomprof was a Greek athlete. He competed at the 1896 Summer Olympics in Athens.
'Arthur Charles "Skipper" Blake was an American athlete who competed in the 1500 meters and the marathon at the 1896 Summer Olympics in Athens.
Pierre Alexandre Tuffèri, also spelt Tuffère, was a French-Greek athlete, although he was born and lived in Athens, his father was French. He competed at the 1896 Summer Olympics and the 1900 Summer Olympics for France, and the 1906 Intercalated Games for Greece.
Panagiotis Paraskevopoulos was a Greek athlete. He competed at the 1896 Summer Olympics in Athens, and the 1900 Summer Olympics held in Paris. He was born in Gortynia and died in Corfu.
Sotirios Versis was a Greek athlete and weightlifter. He competed at the 1896 Summer Olympics in Athens and the 1900 Summer Olympics held in Paris.
Felix Adolf Schmal was an Austrian fencer and racing cyclist. He was born in Dortmund and died in Salzburg. He competed at the 1896 Summer Olympics in Athens.
Edward Battell was a British racing cyclist. He competed at the 1896 Summer Olympics in Athens.
Marie Léon Flameng was a French cyclist and a World War I pilot. He competed at the 1896 Summer Olympics in Athens, winning three medals including one gold.
Pantelis Karasevdas was a Greek sport shooter. He was a member of Panachaikos Gymnastikos Syllogos, that merged in 1923 with Gymnastiki Etaireia Patron to become Panachaiki Gymnastiki Enosi. Karasevdas competed at the 1896 Summer Olympics in Athens, where he won a gold medal for the host country.
Paul Neumann was an Austrian swimmer and physician, who competed at the 1896 Summer Olympics in Athens and became the first ever Austrian gold medalist.
The men's sailors 100 metre freestyle was one of the four swimming events on the Swimming at the 1896 Summer Olympics programme. The second swimming race was open only to sailors of the Greek Royal Navy. Eleven entered but only three actually took part in the event. The winning time was nearly a minute slower than that of the open 100 metre freestyle.
Otto Wahle was an Austrian-American swimmer who took part in two Summer Olympic Games and won a total of three medals. Wahle coached the men's US swim team at the 1912 Olympics, and the men's US water polo team at the 1920 and 1924 Olympics.
Otto Scheff, born Otto Sochaczewsky was an Austrian freestyle swimmer, water polo player, lawyer, politician, and sports official who competed in the 1906 Intercalated Games, in the 1908 Summer Olympics, and in the 1912 Summer Olympics.
Georg Hoffmann (1880–1947) was a German freestyle, backstroke, breaststroke swimmer and diver who competed in the 1904 Summer Olympics and 1906 Intercalated Games.
Victoriano Alberto Zorrilla was an Argentine swimmer who competed in the 1924 Summer Olympics and in the 1928 Summer Olympics where he became the first South American to win an Olympic swimming gold medal.
At the 1896 Summer Olympics in Athens, an unofficial football event was held on 12 April between two representative teams of Greece and Denmark at the Podilatodromio. The International Olympic Committee (IOC) does not recognize the existence of an official football tournament at the 1896 Olympics and the majority of works devoted to the 1896 Olympic Games do not actually mention a football competition; however, there is incontrovertible evidence that the aforementioned match was played as either a part of the (unofficial) programme, or as a "demonstration sport" during the Olympic Games.
Greece 
