William Vernon (January 17, 1719 – December 22, 1806), of Newport, Rhode Island, was a New England trader who played a leading role in the Continental Congress' maritime activities during the American Revolution. As president of the Eastern Navy Board during the Revolution, he was responsible for building and outfitting the ships of the Continental Navy.

William Vernon Skiles (April 23, 1879 in Troy Grove, Illinois - September 10, 1947 in Atlanta, Georgia ) was a professor of mathematics and dean at the Georgia Institute of Technology. He helped create what is now the Georgia Tech Research Institute.

William Vernon Harcourt may refer to:

William Vernon (1719–1806) was a New England trader.