This is a list of people noted for their contribution to gardening, either by working as gardeners or garden designers, or by commissioning famous gardens.
It does not include the innumerable people who count gardening among their hobbies.
The list follows gardeners or garden designers by occupation.
It includes garden designers and landscape gardeners involved chiefly in garden design, and expert writers or broadcasters on the subject.
Other people whose primary profession was not gardening have made notable contributions to horticulture by planning or commissioning significant gardens.