List of athletes who competed in more than one sport at Summer Olympic games

Below is a list of the 1006 athletes who participated in two or more sports. Viggo Jensen from Denmark, Carl Schuhmann from Germany and Britain's Launceston Elliot are the only athletes to compete in four different sports. Sheila Taormina from the United States and Truus Klapwijk from the Netherlands are the only women to have competed in three different sports.

Of the athletes who participated in two or more Summer Olympics in two different sports, 49 are Swedish and 23 of them participated in the home Olympics in Stockholm 1912.

Gwynne Evans, Leo Goodwin, Frank Kugler and Joe Lydon are the only athletes to win medals in three different sports. All of them are from the US and won medals in all three sports at home in St. Louis in 1904. Only six female athletes, the British Rebecca Romero the East German Roswitha Krause, the American Katherine Rawls, the American Aileen Riggin, the Swedish Hjördis Töpel, the American Helen Wainwright and other six athletes (all cyclists), the German Judith Arndt, the Russian Olga Slyusareva, the American Rebecca Twigg, the Dutch Marianne Vos, the Australian Kathy Watt and the Dutch Leontien Zijlaard-van Moorsel have won medals in two different sports.

The only eight athletes to win gold medals in two different sports at two different Olympic Games are Karch Kiraly from the United States, Oussama Mellouli from Tunisia, Daniel Norling from Sweden, Paul Radmilovic from Great Britain, Marianne Vos from the Netherlands, Bradley Wiggins from Great Britain, Walter Winans from the United States and Vyacheslav Yekimov from Russia.

There are 26 athletes that have at least one Olympic appearance in art competitions, but this sport and its results are not included on the official Olympic website.

The most common combinations of sports are road cycling/track cycling (405), swimming/water polo (156) and fencing/modern pentathlon (47).

N.B.: The 1904 men's triathlon event is considered a gymnastics event since 2021, despite its insert in the athletics medal table.

List
{{legend|lightblue|Men that won medals in different sports (57)}} {{legend|lightgrey|Men that won medals in different sports (but at least one uncertain) (21)}} {{legend|darkgrey|Men that won gold medals in different sports (but at least one uncertain) (8)}} {{legend|pink|Women that won medals in different sports (10)}} {{legend|gold|Athletes that won gold medals in different sports (18: 16 males and 2 females)}}

The total column gives the number of Olympic Games in which the athlete appeared, not counting separately the events in which they appeared.

'''N.B.: The cycling (BMX/mountain bike/road/track) and swimming (marathon swimming/swimming) disciplines have been considered as different sports. The equestrian and canoeing disciplines have not been considered as different sports'''

For equestrians see: List of equestrians that competed in more equestrian disciplines

By nation
In the next list there are the athletes of the table divided by nation. The total of this table is 1026 because 20 athletes have competed for more than one nation.

Uncertain athletes
The next 195 athletes have an uncertain status: they have nOt participated at one (or more) of TWO or more sports but their appearance in the Olympic official website is considered official. Some of them have been already included in the list above. There are also some contrasts between Olympedia and the Olympics official website regarding the number of appearances.

Sports in italics are those sports that are considered as official in the Olympics website or Olympedia but the athletes have not participated at them (or one out of more times: in these cases the number written is the number of the Olympic appearances in that sport including the uncertain and in the notes is written only the total of the official appearances).

The total Olympic appearances contains the uncertain Olympic appearances too but not the 1906 Intercalated Games.

The most common combinations of uncertain sports are swimming/water polo (73), athletics/gymnastics (21) and fencing/modern pentathlon (13).

{{legend|lightgreen|Athletes already included in the list above (51)}}

By nation
In the next list there are the athletes of the table divided by nation. The total of this table is 196 because 1 athlete have competed for 2 nations.