Elcysma is a genus of moths of the family Zygaenidae. The genus was erected by Arthur Gardiner Butler in 1881.

Selected species Elcysma delavayi Oberthür, 1891 Elcysma dohertyi (Elwes, 1890) Elcysma westwoodi (Snellen van Vollenhoven, 1863) – white-tailed zygaenid Elcysma ziroensis (Chada, Gogoi & Young, 2017) Apatani glory

References Koshioa, C., Murajia, M., Tatsutab, H. & Kudoa, S.-I. (2007). "Sexual selection in a moth: effect of symmetry on male mating success in the wild". Behavioral Ecology. 18 (3): 571-578.