Cynthia Longfield (1896–1991), Anglo-Irish entomologist.

Taxon names authored

(List may be incomplete)

• 5 taxon names authored by Cynthia Longfield

Publications

(List may be incomplete)

• Longfield, C.E. 1936. Studies on African Odonata, with synonymy and descriptions of new species and subspecies. Transactions of the Royal Entomological Society of London: 85(20): 467–498. Reference page. 
• Longfield, C. 1947. The Odonata of South Angola. Results of the Missions scientifiques Suisses 1928–29, 1932–33. Arquivos do Museu Bocage 16 (1945): 1–31. PDF Reference page. 
• Longfield, C. 1955. The Odonata of N. Angola. Publicações Culturais, Companhia de Diamantes de Angola (Diamang), Lisboa 27: 11–63. Reference page. 
• The Dragonflies of the British Isles