William Flower

• William Flower , herald, Norroy King of Arms in the reign of Elizabeth I of England
• William Flower, burnt 1555 during the Marian Persecutions
• William Flower, 1st Baron Castle Durrow, Irish peer and MP for Kilkenny County and Portarlington
• William Henry Flower, English comparative anatomist and surgeon
• William Way, alias William Flower, Catholic martyr executed at Kingston upon Thames