Ramón Fonst Segundo (July 31, 1883 – September 9, 1959) was a Cuban fencer who competed in the early 20th century.

[1] Although Fonst was born in Cuba, he spent most of his youth in France, where he received his fencing education,[2] and aged just 16 years old he entered the 1900 Summer Olympics which were being held in Paris.

[9] Four years later, Fonst was in St. Louis, Missouri, competing at the 1904 Summer Olympics, and within two days he won three gold medals, he retained his Olympic title in the Men's épée,[10] and added the Men's foil title[11] and under the Mixed team banner he won the Men's team foil event with fellow Cuban Manuel Díaz and American Albertson Van Zo Post.

[14] Fonst also competed at three Central American and Caribbean Games in 1926, 1930 and 1938 and won six more gold medals.

[15] After his career as an active sportsmen Fonst became president of the National Olympic Committee for Cuba, as well as an adviser for the Department of Physical Education and Sports, which he served until he died from a diabetic coma in 1959, aged 76 years old.