William Say may refer to:
- William Say (MP for Camelford) (1604–c.1666), English politician and one of the regicides of King Charles I
- William Say (priest) (died 1468), English priest, Dean of the Chapel Royal and Dean of St Paul's
- William Say (MP for New Shoreham), English MP for New Shoreham (UK Parliament constituency), 1452
- William Say (MP for Hertfordshire), English MP for Hertfordshire (UK Parliament constituency), 1491, 1495
- William Say (engraver) (1768–1834), British printmaker
This disambiguation page lists articles about people with the same name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.