Oleria is a genus of clearwing (ithomiine) butterflies, named by Jacob Hübner in 1816. They are in the brush-footed butterfly family, Nymphalidae.

Arranged alphabetically within species groups:^[2]

• Oleria aegle (Fabricius, 1776)
• Oleria agarista (C. Felder & R. Felder, 1862)
• Oleria alexina (Hewitson, [1859])
• Oleria amalda (Hewitson, [1857])
• Oleria antaxis (Haensch, 1909)
• Oleria aquata (Weymer, 1875)
• Oleria assimilis (Haensch, 1903)
• Oleria astrea (Cramer, [1775])
• Oleria athalina (Staudinger, [1884])
• Oleria attalia (Hewitson, 1855)
• Oleria bioculata (Haensch, 1905)
• Oleria canilla (Hewitson, 1874)
• Oleria cyrene (Latreille, [1809])
• Oleria deronda (Hewitson, 1876)
• Oleria derondina (Haensch, 1909)
• Oleria enania (Haensch, 1909)
• Oleria estella (Hewitson, 1868)
• Oleria fasciata (Haensch, 1903)
• Oleria flora (Cramer, 1779)
• Oleria fumata (Haensch, 1905)
• Oleria gunilla (Hewitson, 1858)
• Oleria ilerdina (Hewitson, [1858])
• Oleria ilerdinoides (Staudinger, 1885)
• Oleria makrena (Hewitson, [1854])
• Oleria olerioides (d'Almeida, 1952)
• Oleria onega (Hewitson, [1852])
• Oleria padilla (Hewitson, 1863)
• Oleria paula (Weymer, 1883)
• Oleria phenomoe (Doubleday, [1847])
• Oleria quadrata (Haensch, 1903)
• Oleria quintina (C. Felder & R. Felder, 1865)
• Oleria radina (Haensch, 1909)
• Oleria rubescens (Butler & H. Druce, 1872)
• Oleria santineza (Haensch, 1903)
• Oleria sexmaculata (Haensch, 1903)
• Oleria similigena d'Almeida, 1962
• Oleria synnova (Hewitson, [1859])
• Oleria tigilla (Weymer, 1899)
• Oleria tremona (Haensch, 1909)
• Oleria vicina (Salvin, 1869)
• Oleria victorine (Guérin-Méneville, [1844])
• Oleria zea (Hewitson, [1855])
• Oleria zelica (Hewitson, 1856)

The Ollantaya species group:

• Oleria aegineta (Hewitson, 1869)
• Oleria baizana (Haensch, 1903)