Hypolimnas usambara, the red spot diadem or Usambara diadem, is a butterfly in the family Nymphalidae.

It is found along the coast of Kenya and in Tanzania, from the coast inland to the Usambara Mountains of Tanga Region.

[2] The habitat consists of primary coastal forests.

The larvae feed on Urera hypselodendron.

This Nymphalinae article is a stub.