William Bull FLS VMH (1828–1902) was an English botanist, nurseryman and plant collector.

He was born in Winchester and in 1861 purchased the nursery of John Weeks and Company in King's Road, Chelsea.

He introduced into cultivation many plants from other countries, including orchids from Colombia and Liberia.

[2][3] John Carder and Edward Shuttleworth collected plants for William Bull.

[4] The vast stock of the firm William Bull And Sons, headquartered at Kings Road, Chelsea, made it famous worldwide.