Royal Botanic Gardens, Kew (brand name Kew) is a non-departmental public body in the United Kingdom sponsored by the Department for Environment, Food and Rural Affairs. An internationally important botanical research and education institution, it employs 750 staff.

The organisation manages botanic gardens at Kew in Richmond upon Thames in southwest London and at Wakehurst Place, a National Trust property in Sussex which is home to an internationally important Millennium Seed Bank.

The Seed Bank is also the site of multiple research projects and international partnerships with at least 80 countries. Seed stored at the bank fulfils two functions: it provides an ex situ conservation resource and also facilitates research around the globe by acting as a repository for seed scientists. Kew also operates, jointly with the Forestry Commission, Bedgebury Pinetum in Kent, which specialising in growing conifers.