Leonidas Pyrgos was a Greek fencer.
Poland competed at the 2000 Summer Olympics in Sydney, Australia. 187 competitors, 129 men and 58 women, took part in 133 events in 20 sports.
Joanni Perronet was a French fencer. He competed at the 1896 Summer Olympics in Athens, winning a silver medal and 3 goats.
Howard Edward Davis Jr. was an American amateur and professional boxer. Growing up on Long Island as the eldest of 10 children, Davis first learned boxing from his father. After being inspired by a movie about Muhammad Ali, Davis embarked on his amateur career. He won the 1976 Olympic gold medal one week after his mother died. He was also awarded the Val Barker Trophy at the Olympics, beating out such boxers as Sugar Ray Leonard, Michael Spinks and Leon Spinks.
Detlef Kästner is a retired boxer, who represented East Germany at the 1980 Summer Olympics in Moscow, Soviet Union. There he won the bronze medal in the light middleweight division, after being defeated in the semifinals by eventual silver medalist Aleksandr Koshkyn of the USSR.
Leonidas of Rhodes was one of the most famous ancient Olympic runners. For four consecutive Olympiads, he was champion of three foot races. He was hailed with the title "Triastes" (tripler). Leonidas is acclaimed by some to be the greatest sprinter of all time.
Israel José Rubio Rivero is a Venezuelan weightlifter.
Leonidas Flores Reyes is a retired Costa Rican professional footballer.
Robert Malecki is an American activist living in Robertsfors, Sweden.
Aleksander Antoni Włodzimierz Małecki was a Polish fencer. He won a bronze medal in the team sabre event at the 1928 Summer Olympics.
Leonidas Kormalis is a Greek former sprinter who competed in the 1960 Summer Olympics. He was also part of Greece's winning 4×400 metres relay team at the 1959 Mediterranean Games.
Dariusz Małecki is a Polish former field hockey player who competed in the 2000 Summer Olympics.
Leonidas Kokas is a former Albanian weightlifter of Greek citizenship. His highest distinction was winning the silver medal in the 1996 Atlanta Olympic Games. He competed in the 94 kg category.
Leônidas Francisco Marques da Silva was an Olympic freestyle swimmer from Brazil, who participated at one Summer Olympics for his native country. At the 1936 Summer Olympics in Berlin, he swam the 100-metre and the 4×200-metre freestyle, not reaching the finals.
Leonidas Kamende was a Kenyan female volleyball player.
Leonida Caraiosifoglu is a Romanian racewalker. He competed in the men's 20 kilometres walk at the 1968 Summer Olympics.
Leonidas Asprilla is a Colombian boxer. He competed in the men's lightweight event at the 1976 Summer Olympics.
Leonidas Njunwa is a Tanzanian boxer. He competed in the men's light middleweight event at the 1980 Summer Olympics.
Leonidas Pappas is a Greek wrestler. He competed in the men's Greco-Roman 82 kg at the 1992 Summer Olympics.
