Evelyn Cecil Muschamp d’Assis-Fonseca (1899 – 1993) was a British dipterist. He was responsible for formally naming a number of fly species, including:
He authored two volumes in the Royal Entomological Society of London's Handbooks for the Identification of British Insects series:
- Handbooks for the Ident. of British Insects. Cyclorrhapha Calyptrata section (b) Muscidae (1968)
- Handbooks for the Ident. of British Insects. Brachycera : Dolichopodidae (1978)
His extensive Diptera collection is now in the Hope Entomological Collections of the Oxford University Museum of Natural History.