William Grey
William, Billy or Bill Grey may refer to:
British public figures
- William Grey, MP for Reading
- William Grey, 13th Baron Grey de Wilton, military commander
- Willam Grey, MP for Bridgnorth
- William Grey, 1st Baron Grey of Werke, MP during 1621–22
- Sir William Grey , Governor of Bengal 1866–1871, Governor of Jamaica 1874–1877
- William Grey, 9th Earl of Stamford, scholar and philanthropist
- William Grey Walter, American-born neurophysiologist, cybernetician and robotician
- William G. Gray, ceremonial magician, Hermetic Qabalist and writer
Clergymen
- William Grey , also bishop of London
- William Grey , medieval English churchman
- William Henry Grey, African-American church leader and Reconstruction politician in Arkansas
Characters
- Bill Grey, Fox's dog friend in 1993's Star Fox
- General William Grey, General from the 1996 film Independence Day
- Billy Grey, motorcycle club president in 2009's ''Grand Theft Auto: The Lost and Damned''