Leslie Desmond Edward Foster-Vesey-Fitzgerald MBE (born 9 June 1909 in London, UK; died 3 May 1974 in Nairobi, Kenya), was an Irish-born[clarification needed] entomologist, ornithologist, conservationist, and plant collector.
From 1936 to 1939 he did research on biological control of insect pests on coconut palms in the Seychelles, Madagascar and the coastal East Africa.
From 1942 to 1947 he worked as entomologist at the Middle East Anti Locust Unit in Sudan, Saudi Arabia and Oman.
He further went on ornithological, entomological, and botanical surveys to Kuwait, Oman, Saudi Arabia, Tanzania, Zambia, South Africa, the Mascarenes, the Seychelles, and Trinidad and Tobago.
His plant collections are on display in the Natural History Museum, the Royal Botanic Gardens, Kew, the Botanische Staatssammlung Munich, the NU Herbarium, University of KwaZulu-Natal, the Muséum National d'Histoire Naturelle, and in the National Herbarium and Botanic Garden of Avondale, Harare, Zimbabwe.