Jack Diamond, CC OBC (April 9, 1909 – March 25, 2001) was a Canadian businessman and philanthropist.
Born in Lubience in Galicia, Diamond immigrated to Vancouver in 1927.
In 1963, Diamond sold Pacific Meats and formed West Coast Reduction, a tallow and feed company.
In 1991, Diamond was appointed to the Order of British Columbia.
At the age of 21, Diamond married Sadie Mandleman.