William Porter may refer to: William Dennison Porter (1810–1883), South Carolina lieutenant governor William Porter (Attorney General) (1805–1880), attorney-general...

William A. Porter (1928–2015) was an American businessperson who, along with Bernard A. Newcomb founded the first electronic trading platform, E-Trade...

William Sydney Porter (September 11, 1862 – June 5, 1910), better known by his pen name O. Henry, was an American writer known primarily for his short...

had a younger sister Patricia (born in 1966) and brother William Donnell (1977-c.1990). Porter began selling drugs at the age of 12, rising through the...

William "Bill" Franklin Porter III (March 24, 1926 – March 10, 2000) was an American track and field athlete, gold medal winner of the 110-meter hurdles...

of Ohio Donald J. Porter (1921–2003), judge of the United States District Court for the District of South Dakota Robert William Porter (1926–1991), judge...

William Field Porter (24 January 1784 – 30 March 1869) was a ship owner from Liverpool, who migrated to South Australia in 1838. He relocated to Auckland...

William Porter (born 1946) is an American organist, harpsichordist and improviser. Porter studied organ at Oberlin College and Yale University, where...

William Douglas Porter (September 9, 1932 – December 3, 2013) was an American salesman, who worked for Watkins Incorporated based in Winona, Minnesota...

William James Porter (September 1, 1914 – March 15, 1988) was an American diplomat who from 1971 to 1973 headed the U.S. delegation to the Paris Peace...