Giacomo Medici, marquess of Vascello (Salerno, 1 April 1883 – Venaria Reale, 15 August 1949) was an Italian Fascist politician who served as Undersecretary to the Presidency of the Council of the Kingdom of Italy from 1935 to 1939.

He was the grandson of Risorgimento general Giacomo Medici.

Holder of a degree in engineering, he owned industrial and agricultural businesses.

In 1929 and again in 1934 he was elected to the Italian Chamber of Deputies, serving as undersecretary to the presidency of the council of the Mussolini Cabinet from 1935 to 1939.

[4] He was married to Olga Medici del Vascello.