William Alexander
William or Bill Alexander may refer to:
Literature
- William Alexander (poet), American poet and author
- William Alexander (journalist and author), Scottish journalist and author
- William Alexander (author), American children's writer
- William Alexander, Baron Alexander of Potterhill, English educator and author
- Fred Alexander (editor), New Zealand subeditor, poetry anthologist and newspaper editor
- William Menzies Alexander, Scottish medical and theological writer
Military
- William Alexander (Canadian soldier), World War I soldier executed for desertion
- William Melville Alexander, Canadian World War I flying ace
- William Alexander, Lord Stirling, American Revolutionary War soldier
Politics
- Bill Alexander (British politician), British communist activist, commander of the International Brigade's British Battalion
- William Alexander (died 1446), MP for Salisbury and Wiltshire
- William Alexander (Australian politician), member of the Western Australian Legislative Council
- William Alexander (Lord Provost), MP for Edinburgh and Lord Provost of Edinburgh 1754–1756
- William Alexander (Glasgow MP), MP for Glasgow Central
- Bill Alexander (American politician), American politician; former US Representative from Arkansas
- William B. Alexander, member of the Mississippi State Senate
- Willem-Alexander of the Netherlands, King of the Netherlands
- William Melville Alexander (Illinois politician), Speaker of the Illinois House of Representatives
Religion
- William Alexander (Quaker) English Quaker and publisher
- William Alexander (bishop), Anglican bishop, Primate of All Ireland
- William Lindsay Alexander, Scottish church leader
- William Patterson Alexander, American missionary in Hawaii
Sports
- William Alexander (American football), football coach at Georgia Tech
- Bill Alexander (Canadian football), Canadian football halfback
- William Alexander (rugby union, born 1874), Wales international rugby union player
- William Alexander (rugby union, born 1905), English rugby union player
Visual arts
- Bill Alexander (painter), East-Prussian artist, star of The Magic of Oil Painting
- William Alexander (painter), British artist
Characters
- William Alexander (Hollyoaks), a fictional character in British soap opera Hollyoaks
- William Alexander (Honorverse), a fictional character in the Honorverse
Others
- Bill Alexander (engineer), British avionics engineer
- William Alexander, 1st Earl of Stirling, British colonial organizer
- William Alexander (the younger), founder of the colony at Port Royal; son of the 1st Earl of Stirling
- William Alexander (judge), Lord Chief Baron of the Exchequer
- Sir William Alexander, 3rd Baronet, Attorney-General of the Duchy of Cornwall
- William C. Alexander, cofounder of Pi Kappa Alpha Fraternity
- William Cowper Alexander, president of the New Jersey State Senate and president of the Equitable Life Assurance Society
- William D. Alexander, American film producer
- William DeWitt Alexander, educator in Hawaii
- William Hastings Alexander, Hong Kong judiciary officer
- Bill Alexander (director), American theatre director