Bill Allen

• Bill Allen (footballer), Australian footballer and cricketer
• Bill Allen (British politician), MP for West Belfast
• Bill "Hoss" Allen, American radio disc jockey
• Bill Allen (businessman), American corporate executive and political financier
• Bill Allen (dentist), English dentist
• Bill Allen (basketball), American basketball player
• Bill Allen (Canadian politician), politician from Saskatchewan, Canada
• Bill Allen (Missouri politician), member of the Missouri House of Representatives
• Bill Allen (actor), American film and television actor