- Source: William Flower
- William Henry Flower
- When Knighthood Was in Flower (film 1922)
- The Love Flower
- Bill Gates
- The Desert Flower (film)
- Han So-hee
- Richard Lydekker
- Killers of the Flower Moon
- Catherine, Putri Wales
- Paus hidung-botol selatan
- William Flower
- William Henry Flower
- Robin Flower
- Flower
- Grant Flower
- Frederick William Flower
- Henry Cromwell, 2nd Baron Cromwell
- William Flower (martyr)
- William Flower (officer of arms)
- William Flower, 2nd Viscount Ashbrook
William Flower may refer to:
William Flower (officer of arms) (c. 1498–1588), herald, Norroy King of Arms in the reign of Elizabeth I of England
William Flower (martyr), burnt 1555 during the Marian Persecutions
William Flower, 1st Baron Castle Durrow (1685–1746), Irish peer and MP for Kilkenny County and Portarlington
William Henry Flower (1831–1899), English comparative anatomist and surgeon
William Way (c. 1560–1588), alias William Flower, Catholic martyr executed at Kingston upon Thames