William J. "Wild Bill" Guarnere (April 28, 1923 – March 8, 2014) was an American World War II veteran and author. He was known for being played in the HBO miniseries Band of Brothers. He fought during the Battle of Normandy and at the Battle of the Bulge. He was born in Philadelphia, Pennsylvania.
- Chang, David. "'Band of Brothers' WWII Vet Bill Guarnere Dies at 90". NBC10.com. Retrieved 9 March 2014.