Flora Londinensis is a folio sized book that described the flora found in the London region of the mid 18th century. The Flora was published by William Curtis in six large volumes. The descriptions of the plants included hand-coloured copperplate plates by botanical artists such as James Sowerby, Sydenham Edwards and William Kilburn.

William Curtis was an English botanist and entomologist, who was born at Alton, Hampshire, site of the Curtis Museum.