Deidamia is a genus of flowering plants within the family Passifloraceae native to the Comoros and Madagascar.
The genus Deidamia Noronha ex Thouars was first named by Francisco Noronha, but only later validly published by Louis-Marie Aubert du Petit-Thouars in 1808.
It includes three species:
It only occurs in the Comoros and Madagascar.