- William Styron
- William Tecumseh Sherman
- William Tell
- William Teo
- William Thomas Stead
- William Thompson
- William Thomson
- William Thomson, 1st Baron Kelvin
- William Tyndale
- William Vacanarat Shadrach Tubman
- William Walker
- William Walton
- William Wells Brown
- William Whewell
- William Wollaston
- William Wordsworth
- William Wycherly
- William Wyler
- William Y. Arms
- William Ⅰ
- Willi Boskovsky
- Willie Esterhuyse
- Willie Howard Mays
- willingness to accept
- willingness to pay