Alcide Sylvio "Bull" Benini (15 October 1921 – 16 April 2015) was a United States Air Force Chief Master Sergeant.

Born 15 October 1921 in Cologna-Gavazzo, Trentino-Alto Adige, Italy, to Luigi Benini and Elvira née Zanoni,[1] in 1930 he migrated to the United States arriving aboard the SS Conte Grande, at Ellis Island.

On 6 May 1940, Benini enlisted in the United States Army and, within six weeks was sent to the Philippines with the 31st Infantry Regiment as a rifleman and radio operator.

In July 1952, he was selected to be part of the initial cadre for the first Army Special Forces Qualification Course at Fort Bragg, North Carolina, based largely on his wartime experiences and his fluency in both Italian and Spanish languages.

12–13, 22–24 Benini retired on 31 July 1970 as a Chief Master Sergeant with thirty years of active duty service, three-and-a-half of which were spent as a prisoner of war.