Eulaceura is a genus of butterflies in the family Nymphalidae and subfamily Apaturinae.
The genus contains two species:
Eulaceura manipuriensis Tytler, 1915 – Tytler's emperor – Manipur, IndochinaEulaceura osteria (Westwood, 1850)E. o. osteria Java, Borneo, MalayaE. o. kumana Fruhstorfer, 1913 Peninsular Malaya, SingaporeE. o. nicomedeia Fruhstorfer SumatraE. o. jembala Fruhstorfer BorneoE. o. bipupillata Lathy NiasE. o. sitarama Fruhstorfer HainanE. o. tanahmasa Hanafusa, 1996 Indonesia, Batu Islands, Tanahmasa IslandE. o. nakamotoi Miyata & Hanafusa, 1989 Indonesia, Belitung IslandE. o. baraena Corbet, 1942 Mentawi Island