William Lewis

• Bill Lewis (disambiguation)
• Cardiff (UK Parliament constituency)
• Helston (UK Parliament constituency)
• Ian Lewis (cricketer)
• King's Lynn (UK Parliament constituency)
• Sir William Lewis, 1st Baronet
• W. Arthur Lewis
• Will Lewis (American football)
• Willard Louis
• William B. Lewis (New York treasurer)
• William Berkeley Lewis
• William D. Lewis
• William Draper Lewis
• William F. Lewis
• William G. Lewis
• William Garrett Lewis
• William H. Lewis
• William J. Lewis
• William James Lewis
• William Lewis & Son Co.
• William Lewis (Antigua and Barbuda footballer)
• William Lewis (Australian politician)
• William Lewis (Kentucky politician)
• William Lewis (MP for Anglesey)
• William Lewis (MP for Cardiff)
• William Lewis (MP for Devizes)
• William Lewis (MP for Helston)
• William Lewis (MP for King's Lynn)
• William Lewis (New York politician)
• William Lewis (athlete)
• William Lewis (chemist)
• William Lewis (chess player)
• William Lewis (cricketer)
• William Lewis (figure skater)
• William Lewis (football)
• William Lewis (journalist)
• William Lewis (judge)
• William Lewis (mineralogist)
• William Lewis (physical chemist)
• William Lewis (pirate)
• William Lewis (scientist)
• William Lewis (tenor)
• William Lewis, 1st Baron Merthyr
• William Lewis, 3rd Baron Merthyr
• William Louis, Count of Nassau-Dillenburg
• William M. Lewis Sr.
• William Mather Lewis
• William Thomas Lewis
• Willie Lewis
• Willie Lewis (boxer)
• Willie Lewis (rockabilly musician)