Robert Herbert Carcasson (5 December 1918, Cheltenham – 1982) was an English entomologist who specialised in butterflies. He was Director of the Natural History Museum in Nairobi from 1961 to 1968.
(1961). The Acraea butterflies of East Africa (Lepidoptera, Acraeidae). J.E. Africa Nat. Hist. Soc. Special Supplement No 8(1963). The Milkweed butterflies of East Africa (Lepidoptera, Danaidae). J.E. Africa Nat. Hist. Soc. volume XXIV No.2 (106)(1964). A preliminary survey of the zoogeography of African butterflies. East African Wildlife journal 2: 122-157.(1968). The Sphingidae (Hawk Moths) of Eastern Africa. Ph.D. thesis. pp. 233. Nairobi: University of East Africa.(1975). The Swallowtail Butterflies of East Africa (Lepidoptera,Papilionidae). E. W. Classey Ltd. pdf(1976). Revised catalogue of the African Sphingidae (Lepidoptera) with descriptions of the East African species. Second edition.Faringdon, Oxen: E.W. Classey Ltd.(1980). Collins Handguide to the butterflies of Africa. Collins: London 