Gabrielli, Giulio an Italian prelate, was born at Rome, August 20, 1748; became bishop of Sinigaglia, and cardinal-priest, February 23, 1801, and on March 27, 1808, pro-secretary of state under Pius VII. On account of his incessant recriminations, Gabrielli was arrested by order of Napoleon, and on June 17 was superseded by cardinal Pecca. After the removal of the pope; Gabrielli went to France, and was banished to Saumur. In 1813 he was permitted, with several other cardinals, to accompany the pope to Fontainebleau. He afterwards returned to Rome, where he was likely to be elected pope, but died in 1822. See Hoefer, Nouv. Biog. Generale, s.v.