Mario Belgrano (April 7, 1884 in Paris – 1947 in Buenos Aires) was an Argentine historian.
He got married with Blanca Cigorraga Pondal on May 15, 1919, and his sons were Mario Carlos Belgrano Cigorraga, Miguel Manuel Belgrano Cigorraga and Blanca Flora Belgrano Cigorraga.
He wrote books about his relative the 19th century general Manuel Belgrano.
He worked at the National Academy of History of Argentina and the Belgranian National Institute.
This biographical article about an Argentine historian is a stub.