Lepidochrysops oosthuizeni, Oosthuizen's blue, is a species of butterfly in the family Lycaenidae.

It is found in Lesotho and South Africa, where it is found on high altitude grassland and Nama Karoo on the Witteberg in the East Cape and the Maluti Mountains in Lesotho and the eastern Orange Free State.

Adults are on wing from December to January.

[2] The larvae feed on Selago galpinii.

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