William Herbert
William Herbert may refer to:
Earls of Pembroke
- William Herbert, 1st [Earl of Pembroke ]
- William Herbert, 2nd Earl of Pembroke
- William Herbert, 1st Earl of Pembroke , Tudor period noble and courtier
- William Herbert, 3rd Earl of Pembroke
- William Herbert, 6th Earl of Pembroke, English nobleman and politician
- William Herbert, 18th Earl of Pembroke
Other peers
- William Herbert, 1st Baron Powis, an English peer and landowner
- William Herbert, 1st Marquess of Powis, an English peer and landowner
- William Herbert, 2nd Marquess of Powis, an English and later British peer and landowner
- William Herbert, 3rd Marquess of Powis, a British peer and landowner
Others
- William Herbert , MP for Monmouthshire 1555
- William Herbert , MP for Cardiff 1555
- Sir William Herbert , Elizabethan planter in Ireland and MP for Monmouthshire 1584–1597
- William Herbert , Welsh politician, MP for Cardiff 1621
- William Herbert , Welsh politician, MP for Cardiff 1640
- William Herbert , English politician, MP for Monmouthshire 1640
- William Herbert , Welsh politician, MP for Monmouthshire 1626
- William Herbert , general and Member of Parliament
- William Herbert , English librarian and antiquary
- William Herbert , editor of Typographical Antiquities by Joseph Ames
- William Herbert , British botanist, poet, and clergyman
- William Herbert Bradburn, Canadian politician
- William Norman Herbert, British general