Eudonia duospinata is a moth in the Crambidae family. It was described by Li, Li and Nuss in 2012. It is found in China (Fujian, Guizhou) and Taiwan. The length of the forewings is 5–6 mm. The forewings are covered with blackish brown scales. The antemedian, postmedian and subterminal lines are white. The hindwings are white.