Umberto di Giorgio (14 March 1882 – 30 November 1943) was an Italian general during World War II, in charge of the territorial defense of Rome from 1939 till September 1943.

In 1917 he was promoted to major and in June 1918 he distinguished himself during the Second Battle of the Piave River, leading an assault which resulted in the capture of an Austro-Hungarian trench, for which he was awarded a second bronze medal for Military Valour.

After serving as staff officer at the command of the Army Corps of Rome, he was promoted to lieutenant colonel on June 30, 1923.

On that date he was transferred, to the Ministry of War for special assignments and became deputy commander of the 3rd Cavalry Division Principe Amedeo Duca d'Aosta, stationed in Verona.

In August 1943 he also assumed command of the territorial Army Corps of Rome, replacing General Alberto Barbieri.