Baliochila barnesi, the Barnes's buff, is a butterfly in the family Lycaenidae.

It is found in eastern Zimbabwe, western Mozambique and the Democratic Republic of the Congo.

[2] The species was formally described as new to science in 1953 by Henri Stempffer and Neville Henry Bennett.

[3] Adults have been recorded on wing in November, December, March and April.

The larvae feed on algae (cyanobacteria) growing on trees.