Udara is a genus of butterflies in the family Lycaenidae. The species are found in the Indomalayan and the Australasian realms.

• Subgenus Udara Toxopeus, 1922
  • Udara akasa (Horsfield, 1828) - white hedge blue (India)
  • Udara aristinus (Fruhstorfer, 1917)
  • Udara aristius (Fruhstorfer, 1910)
  • Udara camenae (de Nicéville, [1895])
  • Udara cardia (Felder, 1860)
  • Udara coalita (de Nicéville, 1891)
  • Udara cyma (Toxopeus, 1927)
  • Udara dilectissima (Druce, 1895)
  • Udara dilecta (Moore, 1879) (India, China, Malay Peninsula)
  • Udara drucei (Bethune-Baker, 1906)
  • Udara etsuzoi Eliot & Kawazoé, 1983
  • Udara lanka Moore, 1877 - Ceylon hedge blue (Sri Lanka)
  • Udara masinissa (Fruhstorfer, 1910)
  • Udara placidula (Druce, 1895)
  • Udara rona (Grose-Smith, 1894)
  • Udara serangana Eliot & Kawazoé, 1983
  • Udara singalensis (R. Felder, 1868)
  • Udara tenella (Miskin, 1891)
  • Udara toxopeusi (Corbet, 1937)
• Subgenus Selmanix Eliot & Kawazoé, 1983
  • Udara aemulus Eliot & Kawazoé, 1983
  • Udara ceyx (de Nicéville, [1893])
  • Udara nishiyamai Eliot & Kawazoé, 1983
  • Udara santotomasana Eliot & Kawazoé, 1983
  • Udara selma (Druce, 1895)
  • Udara wilemani Eliot & Kawazoé, 1983
• Subgenus Penudara Eliot & Kawazoé, 1983
  • Udara albocaerulea (Moore, 1879)
  • Udara oviana (Fruhstorfer, 1917)
  • Udara tyotaroi Eliot & Kawazoé, 1983
• Subgenus Perivaga
  • Udara antonia Eliot & Kawazoé, 1983
  • Udara cybele Eliot & Kawazoé, 1983
  • Udara davenporti (Parsons, 1986)
  • Udara laetitia Eliot & Kawazoé, 1983
  • Udara manokwariensis (Joicey, Noakes & Talbot, 1915)
  • Udara meeki (Bethune-Baker, 1906)
  • Udara owgarra (Bethune-Baker, 1906)
  • Udara pullus (Joicey & Talbot, 1916)
  • Udara sibatanii (Eliot & Kawazoé, 1983)
• Subgenus Vaga
  • Udara blackburni (Tuely, 1878) - Hawaiian blue (Hawaii)^[1]

• "Udara Toxopeus, 1928" at Markku Savela's Lepidoptera and some other life forms