Mario Visintini, MOVM, (26 April 1913 – 11 February 1941) was an Italian military aircraft pilot, the first Regia Aeronautica ace of World War II.
In recognition of his flying skill and meticulousness, Visintini was nicknamed cacciatore scientifico (scientific fighter pilot).Visintini was the top scoring pilot of all belligerent air forces in Eastern Africa (Africa Orientale) and the top biplane fighter ace of World War II; he achieved all his air victories flying the Fiat CR.42 biplane.
He is credited with 16 confirmed air victories (20, according to other sources) and five probables, plus two victories achieved during the Spanish Civil War serving in the Aviazione Legionaria.