William or Bill Alexander may refer to:

• William Alexander (poet) (1808–1875), American poet and author
• William Alexander (journalist and author) (1826–1894), Scottish journalist and author
• William Alexander (author) (born 1976), American children's writer
• William Alexander, Baron Alexander of Potterhill (1905–1993), English educator and author
• Fred Alexander (editor) (William Frederick Alexander, 1882–1957), New Zealand subeditor, poetry anthologist and newspaper editor
• William Menzies Alexander (1858–1929), Scottish medical and theological writer

• William Alexander (Canadian soldier) (1880–1917), World War I soldier executed for desertion
• William Melville Alexander (1897–1988), Canadian World War I flying ace
• William Alexander, Lord Stirling (1726–1783), American Revolutionary War soldier

• Bill Alexander (British politician) (1910–2000), British communist activist, commander of the International Brigade's British Battalion
• William Alexander (died 1446), MP for Salisbury and Wiltshire
• William Alexander (Australian politician) (1844–1924), member of the Western Australian Legislative Council
• William Alexander (Lord Provost) (1690–1761), MP for Edinburgh and Lord Provost of Edinburgh 1754–1756
• William Alexander (Glasgow MP) (1874–1954), MP for Glasgow Central
• Bill Alexander (American politician) (born 1934), American politician; former US Representative from Arkansas
• William B. Alexander (1921–2006), member of the Mississippi State Senate
• Willem-Alexander of the Netherlands (born 1967), King of the Netherlands
• William Melville Alexander (Illinois politician), Speaker of the Illinois House of Representatives

• William Alexander (Quaker) (1768–1841) English Quaker and publisher
• William Alexander (bishop) (1824–1911), Anglican bishop, Primate of All Ireland
• William Lindsay Alexander (1808–1884), Scottish church leader
• William Patterson Alexander (1805–1884), American missionary in Hawaii

• William Alexander (American football) (1889–1950), football coach at Georgia Tech
• Bill Alexander (Canadian football) (1924–1997), Canadian football halfback
• William Alexander (rugby union) (1874–1937), Wales international rugby union player

• Bill Alexander (painter) (1915–1997), East-Prussian artist, star of The Magic of Oil Painting
• William Alexander (painter) (1767–1816), British artist

• William Alexander (Hollyoaks), a fictional character in British soap opera Hollyoaks
• William Alexander (Honorverse), a fictional character in the Honorverse

• Bill Alexander (engineer) (William Hector, 1927–1995), British avionics engineer
• William Alexander, 1st Earl of Stirling (c. 1567–1640), British colonial organizer
• William Alexander (the younger) (c. 1602–1638), founder of the colony at Port Royal; son of the 1st Earl of Stirling
• William Alexander (judge) (c. 1754–1842), Lord Chief Baron of the Exchequer
• Sir William Alexander, 3rd Baronet (1797–1873), Attorney-General of the Duchy of Cornwall
• William C. Alexander (1848–1937), cofounder of Pi Kappa Alpha Fraternity
• William Cowper Alexander (1806–1874), president of the New Jersey State Senate and president of the Equitable Life Assurance Society
• William D. Alexander (1916–1991), American film producer
• William DeWitt Alexander (1833–1913), educator in Hawaii
• William Hastings Alexander (c. 1823–1876), Hong Kong judiciary officer
• Bill Alexander (director) (born 1948), American theatre director

• Willie Alexander (born 1943), American singer
• Willie Alexander (American football) (born 1949), former professional American football player
• Will Alexander (disambiguation)
• Alexander (disambiguation)
• William (disambiguation)
• Alexander Williams (disambiguation)

This disambiguation page lists articles about people with the same name.
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