• William Griffith (1620–1688), Welsh Member of Parliament for Caernarvon
• William Griffith (1686–1715), Welsh Member of Parliament for Caernarvon and Caernarvonshire
• William Griffith (botanist)
  William Griffith (botanist)
  William Griffith was a British doctor, naturalist, and botanist.Griffith's botanical publications are from India and Burma. After a brief stay in Madras, he was assigned as a Civil Surgeon to Tenasserim, Burma, where he studied local plants and made collecting trips to the Barak River valley in...
  
  , (1810–1845)
• William Griffith (US politician)
• William Griffith (New Jersey attorney)
  William Griffith (New Jersey attorney)
  -Biography:Born in Bound Brook, New Jersey, Griffith read law to enter the bar in 1788. He was in private practice in Burlington, New Jersey from 1789 to 1801, and was also a Surrogate, Burlington County, New Jersey from 1790 to 1799, and a member of the Common Council of the City of Burlington...
  
  , briefly served as a United States federal judge
• William Griffith (canoer)
  William Griffith (canoer)
  William Griffith is a Canadian slalom canoer who competed in the early 1970s. He finished 19th in the C-1 slalom event at the 1972 Summer Olympics in Munich.-References:*...
  
  ,
• William Griffith (adult educator)
  William Samuel (Bill) Griffith
  William Samuel Griffith was a dedicated adult educator.- Personal life :Working internationally at both applied and academic levels, Bill contributed intellectual excellence and hard work to a diversity of fields which mattered very much to him: literacy, family planning, agriculture, correction...
  
  ,
• Billy Griffith (footballer)
  Billy Griffith (footballer)
  William 'Billy' Griffith was an Australian rules footballer who played with Essendon in the VFL.Griffith was a full back but was also used as a rover. He was a rover in Essendon's 1901 premiership side and a fullback in their 1911 and 1912 triumphs...
  
  , Australian rules footballer
• Bill Griffith, American cartoonist
• Billy Griffith, English cricketer

See also

• William Griffiths (disambiguation)