Elasmia mandela is a species of moth of the family Notodontidae first described by Herbert Druce in 1887. It occurs in Mexico, Costa Rica, and the US states of Texas and Oklahoma.

Overall colour is dark grey brown with obscure transverse forewing markings. Males and females are similar in appearance. Elasmia mandela santaana is grey overall with a contrasting dark scale patch in the reniform/subreniform area. Adults are on wing from April to early October.

The larvae have been recorded feeding on Rhamnaceae and Sapindaceae species, including Unganadia speciosa for subspecies Elasmia mandela santaana.

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