James H. Williams III (born 1965), usually credited as J. H. Williams III, is a comics artist and penciller.
Snap-on Industrial Brands, historically the J.H. Williams Tool Group, is a division of American hand tool manufacturer Snap-on that makes and distributes tools to industrial markets.
James Howard Williams, also known as Elephant Bill (15 November 1897 – 30 July 1958), was a British soldier and elephant expert in Burma, known for his work with the Fourteenth Army during the Burma Campaign of World War II, and for his 1950 book Elephant Bill.
James Hunter Williams (June 17, 1926 – December 16, 2016), known as Jim Williams or J. H. Williams, was an American politician and member of the Democratic Party.
John Harry Williams (July 7, 1908 – April 18, 1966) was a Canadian-American physicist.
Williams is a patronymic form of the name William that originated in medieval England and Wales.